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Finding the Fourth Proportional to 239,480.76, 330,458.13 and 132,044.40

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Solution

The fourth proportional to 239,480.76, 330,458.13 and 132,044.40 is: 182,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,480.76 : 330,458.13 = 132,044.40 : x
  2. Step 2: Convert to fraction form
    239,480.76/330,458.13 = 132,044.40/x
  3. Step 3: Cross multiply
    239,480.76x = 330,458.13 × 132,044.40
  4. Step 4: Simplify right side
    239,480.76x = 43,635,145,500.97
  5. Step 5: Solve for x
    x = 43,635,145,500.97/239,480.76
  6. Step 6: Final answer
    x = 182,207.31

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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.