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Finding the Fourth Proportional to 168.43, 232.41 and 94.73

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Solution

The fourth proportional to 168.43, 232.41 and 94.73 is: 130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.43 : 232.41 = 94.73 : x
  2. Step 2: Convert to fraction form
    168.43/232.41 = 94.73/x
  3. Step 3: Cross multiply
    168.43x = 232.41 × 94.73
  4. Step 4: Simplify right side
    168.43x = 22,016.20
  5. Step 5: Solve for x
    x = 22,016.20/168.43
  6. Step 6: Final answer
    x = 130.72

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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.