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Finding the Fourth Proportional to 159,862.80, 239,794.17 and 47,542.56

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Solution

The fourth proportional to 159,862.80, 239,794.17 and 47,542.56 is: 71,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.80 : 239,794.17 = 47,542.56 : x
  2. Step 2: Convert to fraction form
    159,862.80/239,794.17 = 47,542.56/x
  3. Step 3: Cross multiply
    159,862.80x = 239,794.17 × 47,542.56
  4. Step 4: Simplify right side
    159,862.80x = 11,400,428,714.88
  5. Step 5: Solve for x
    x = 11,400,428,714.88/159,862.80
  6. Step 6: Final answer
    x = 71,313.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.