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Finding the Fourth Proportional to 239,785.62, 330,906.90 and 132,355.73

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Solution

The fourth proportional to 239,785.62, 330,906.90 and 132,355.73 is: 182,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,785.62 : 330,906.90 = 132,355.73 : x
  2. Step 2: Convert to fraction form
    239,785.62/330,906.90 = 132,355.73/x
  3. Step 3: Cross multiply
    239,785.62x = 330,906.90 × 132,355.73
  4. Step 4: Simplify right side
    239,785.62x = 43,797,424,311.54
  5. Step 5: Solve for x
    x = 43,797,424,311.54/239,785.62
  6. Step 6: Final answer
    x = 182,652.42

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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.