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Finding the Fourth Proportional to 173,847.92, 239,901.76 and 106,766.96

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Solution

The fourth proportional to 173,847.92, 239,901.76 and 106,766.96 is: 147,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,847.92 : 239,901.76 = 106,766.96 : x
  2. Step 2: Convert to fraction form
    173,847.92/239,901.76 = 106,766.96/x
  3. Step 3: Cross multiply
    173,847.92x = 239,901.76 × 106,766.96
  4. Step 4: Simplify right side
    173,847.92x = 25,613,581,613.85
  5. Step 5: Solve for x
    x = 25,613,581,613.85/173,847.92
  6. Step 6: Final answer
    x = 147,333.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.