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Finding the Fourth Proportional to 232.80, 349.17 and 95.86

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Solution

The fourth proportional to 232.80, 349.17 and 95.86 is: 143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.80 : 349.17 = 95.86 : x
  2. Step 2: Convert to fraction form
    232.80/349.17 = 95.86/x
  3. Step 3: Cross multiply
    232.80x = 349.17 × 95.86
  4. Step 4: Simplify right side
    232.80x = 33,471.44
  5. Step 5: Solve for x
    x = 33,471.44/232.80
  6. Step 6: Final answer
    x = 143.78

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