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प्रश्न
Find the value of x in each of the following proportions:
x : 92 : : 87 : 116
उत्तर
x : 92 : : 87 : 116
Product of extremes = Product of means
x × 116 = 92 × 87
⇒ 116x = 8004
⇒ x = `8004/116` = 69
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