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Finding the Fourth Proportional to 71,129.52, 106,710.48 and 24,379.56

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Solution

The fourth proportional to 71,129.52, 106,710.48 and 24,379.56 is: 36,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,129.52 : 106,710.48 = 24,379.56 : x
  2. Step 2: Convert to fraction form
    71,129.52/106,710.48 = 24,379.56/x
  3. Step 3: Cross multiply
    71,129.52x = 106,710.48 × 24,379.56
  4. Step 4: Simplify right side
    71,129.52x = 2,601,554,549.79
  5. Step 5: Solve for x
    x = 2,601,554,549.79/71,129.52
  6. Step 6: Final answer
    x = 36,574.89

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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.