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Finding the Fourth Proportional to 239,705.87, 330,793.88 and 132,275.97

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Solution

The fourth proportional to 239,705.87, 330,793.88 and 132,275.97 is: 182,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,705.87 : 330,793.88 = 132,275.97 : x
  2. Step 2: Convert to fraction form
    239,705.87/330,793.88 = 132,275.97/x
  3. Step 3: Cross multiply
    239,705.87x = 330,793.88 × 132,275.97
  4. Step 4: Simplify right side
    239,705.87x = 43,756,080,685.68
  5. Step 5: Solve for x
    x = 43,756,080,685.68/239,705.87
  6. Step 6: Final answer
    x = 182,540.72

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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.