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Finding the Fourth Proportional to 71,306.70, 107,067.96 and 56,634.54

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Solution

The fourth proportional to 71,306.70, 107,067.96 and 56,634.54 is: 85,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.70 : 107,067.96 = 56,634.54 : x
  2. Step 2: Convert to fraction form
    71,306.70/107,067.96 = 56,634.54/x
  3. Step 3: Cross multiply
    71,306.70x = 107,067.96 × 56,634.54
  4. Step 4: Simplify right side
    71,306.70x = 6,063,744,663.34
  5. Step 5: Solve for x
    x = 6,063,744,663.34/71,306.70
  6. Step 6: Final answer
    x = 85,037.52

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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.