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Finding the Fourth Proportional to 238,793.62, 329,532.83 and 131,363.78

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Solution

The fourth proportional to 238,793.62, 329,532.83 and 131,363.78 is: 181,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,793.62 : 329,532.83 = 131,363.78 : x
  2. Step 2: Convert to fraction form
    238,793.62/329,532.83 = 131,363.78/x
  3. Step 3: Cross multiply
    238,793.62x = 329,532.83 × 131,363.78
  4. Step 4: Simplify right side
    238,793.62x = 43,288,678,182.90
  5. Step 5: Solve for x
    x = 43,288,678,182.90/238,793.62
  6. Step 6: Final answer
    x = 181,280.72

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1.5x scale

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.