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Finding the Fourth Proportional to 71,755.98, 107,575.64 and 25,041.66

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Solution

The fourth proportional to 71,755.98, 107,575.64 and 25,041.66 is: 37,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,755.98 : 107,575.64 = 25,041.66 : x
  2. Step 2: Convert to fraction form
    71,755.98/107,575.64 = 25,041.66/x
  3. Step 3: Cross multiply
    71,755.98x = 107,575.64 × 25,041.66
  4. Step 4: Simplify right side
    71,755.98x = 2,693,872,601.16
  5. Step 5: Solve for x
    x = 2,693,872,601.16/71,755.98
  6. Step 6: Final answer
    x = 37,542.13

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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.