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Finding the Fourth Proportional to 173,432.52, 239,331.78 and 96,951.78

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Solution

The fourth proportional to 173,432.52, 239,331.78 and 96,951.78 is: 133,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,432.52 : 239,331.78 = 96,951.78 : x
  2. Step 2: Convert to fraction form
    173,432.52/239,331.78 = 96,951.78/x
  3. Step 3: Cross multiply
    173,432.52x = 239,331.78 × 96,951.78
  4. Step 4: Simplify right side
    173,432.52x = 23,203,642,081.57
  5. Step 5: Solve for x
    x = 23,203,642,081.57/173,432.52
  6. Step 6: Final answer
    x = 133,790.61

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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.