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Finding the Fourth Proportional to 71,008.74, 106,502.31 and 44,632.98

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Solution

The fourth proportional to 71,008.74, 106,502.31 and 44,632.98 is: 66,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008.74 : 106,502.31 = 44,632.98 : x
  2. Step 2: Convert to fraction form
    71,008.74/106,502.31 = 44,632.98/x
  3. Step 3: Cross multiply
    71,008.74x = 106,502.31 × 44,632.98
  4. Step 4: Simplify right side
    71,008.74x = 4,753,515,472.18
  5. Step 5: Solve for x
    x = 4,753,515,472.18/71,008.74
  6. Step 6: Final answer
    x = 66,942.68

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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.