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Finding the Fourth Proportional to 79,583.72, 109,841.13 and 45,614.97

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Solution

The fourth proportional to 79,583.72, 109,841.13 and 45,614.97 is: 62,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.72 : 109,841.13 = 45,614.97 : x
  2. Step 2: Convert to fraction form
    79,583.72/109,841.13 = 45,614.97/x
  3. Step 3: Cross multiply
    79,583.72x = 109,841.13 × 45,614.97
  4. Step 4: Simplify right side
    79,583.72x = 5,010,399,849.72
  5. Step 5: Solve for x
    x = 5,010,399,849.72/79,583.72
  6. Step 6: Final answer
    x = 62,957.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.