Question

Find 20, 50, 60 an 150 are in proportion or not.

Answer 1

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$20 \: : \: 50 = 2 \: : \: 5$

$60 \: : 150 = 2 : 5$

As the both result is same

So

$20 \: : \: 50 = 60 \: : \: 150$

The given numbers are in proportion

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