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Finding the Fourth Proportional to 239,042.76, 329,874.28 and 131,614.56

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Solution

The fourth proportional to 239,042.76, 329,874.28 and 131,614.56 is: 181,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,042.76 : 329,874.28 = 131,614.56 : x
  2. Step 2: Convert to fraction form
    239,042.76/329,874.28 = 131,614.56/x
  3. Step 3: Cross multiply
    239,042.76x = 329,874.28 × 131,614.56
  4. Step 4: Simplify right side
    239,042.76x = 43,416,258,217.52
  5. Step 5: Solve for x
    x = 43,416,258,217.52/239,042.76
  6. Step 6: Final answer
    x = 181,625.49

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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.