Finding the Fourth Proportional to 118,538.76, 177,715.26 and 59,344.68
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Solution
The fourth proportional to 118,538.76, 177,715.26 and 59,344.68 is: 88,970.52
Step by Step Solution
- Step 1: Write the proportion equation
118,538.76 : 177,715.26 = 59,344.68 : x - Step 2: Convert to fraction form
118,538.76/177,715.26 = 59,344.68/x - Step 3: Cross multiply
118,538.76x = 177,715.26 × 59,344.68 - Step 4: Simplify right side
118,538.76x = 10,546,455,235.82 - Step 5: Solve for x
x = 10,546,455,235.82/118,538.76 - Step 6: Final answer
x = 88,970.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.