How to find Duplicates Cluster with Latest Date ?

Hello Everyone,

I was Stuck where I have three col like Cluster, Dates, Numbers.

How to find Duplicates cluster which are having latest date and I want Fourth additional col which shows "TRUE" for Latest date and "FALSE" for other having old dates.

Is there any Macro or Query to find please share ?

Example:

Example.jpg

Example:

Data like :

62---3/5/2008---1
62---9/3/2009---2
49---1/21/2000---3
49---1/1/2010---4
62---1/11/2000---5
49---3/1/2001---6
287---3/23/2009---7
287---12/2/2010---8

Want OUTPUT like below:

62__3/5/2008__1__FALSE
62__9/3/2009__2__TRUE
49__1/21/2000__3__FALSE
49__1/1/2010__4__FALSE
62__1/11/2000__5__FALSE
49__3/1/2001__6__TRUE
287__3/23/2009__7__FALSE
287__12/2/2010__8__TRUE

Need Help :-)

Thanks