Finding the Fourth Proportional to 118,151.14, 177,073.62 and 47,992.18
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Solution
The fourth proportional to 118,151.14, 177,073.62 and 47,992.18 is: 71,926.09
Step by Step Solution
- Step 1: Write the proportion equation
118,151.14 : 177,073.62 = 47,992.18 : x - Step 2: Convert to fraction form
118,151.14/177,073.62 = 47,992.18/x - Step 3: Cross multiply
118,151.14x = 177,073.62 × 47,992.18 - Step 4: Simplify right side
118,151.14x = 8,498,149,044.29 - Step 5: Solve for x
x = 8,498,149,044.29/118,151.14 - Step 6: Final answer
x = 71,926.09
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1.5x scale
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.