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Finding the Fourth Proportional to 160,781.52, 241,183.80 and 42,451.68

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Solution

The fourth proportional to 160,781.52, 241,183.80 and 42,451.68 is: 63,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,781.52 : 241,183.80 = 42,451.68 : x
  2. Step 2: Convert to fraction form
    160,781.52/241,183.80 = 42,451.68/x
  3. Step 3: Cross multiply
    160,781.52x = 241,183.80 × 42,451.68
  4. Step 4: Simplify right side
    160,781.52x = 10,238,657,498.78
  5. Step 5: Solve for x
    x = 10,238,657,498.78/160,781.52
  6. Step 6: Final answer
    x = 63,680.56

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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.