Finding the Fourth Proportional to 318,693.44, 478,053.42 and 94,053.92
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Solution
The fourth proportional to 318,693.44, 478,053.42 and 94,053.92 is: 141,084.79
Step by Step Solution
- Step 1: Write the proportion equation
318,693.44 : 478,053.42 = 94,053.92 : x - Step 2: Convert to fraction form
318,693.44/478,053.42 = 94,053.92/x - Step 3: Cross multiply
318,693.44x = 478,053.42 × 94,053.92 - Step 4: Simplify right side
318,693.44x = 44,962,798,120.41 - Step 5: Solve for x
x = 44,962,798,120.41/318,693.44 - Step 6: Final answer
x = 141,084.79
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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.