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Finding the Fourth Proportional to 71,753.22, 107,629.02 and 25,005.96

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Solution

The fourth proportional to 71,753.22, 107,629.02 and 25,005.96 is: 37,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,753.22 : 107,629.02 = 25,005.96 : x
  2. Step 2: Convert to fraction form
    71,753.22/107,629.02 = 25,005.96/x
  3. Step 3: Cross multiply
    71,753.22x = 107,629.02 × 25,005.96
  4. Step 4: Simplify right side
    71,753.22x = 2,691,366,968.96
  5. Step 5: Solve for x
    x = 2,691,366,968.96/71,753.22
  6. Step 6: Final answer
    x = 37,508.66

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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.