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Finding the Fourth Proportional to 232.62, 348.84 and 115.43

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Solution

The fourth proportional to 232.62, 348.84 and 115.43 is: 173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.62 : 348.84 = 115.43 : x
  2. Step 2: Convert to fraction form
    232.62/348.84 = 115.43/x
  3. Step 3: Cross multiply
    232.62x = 348.84 × 115.43
  4. Step 4: Simplify right side
    232.62x = 40,264.86
  5. Step 5: Solve for x
    x = 40,264.86/232.62
  6. Step 6: Final answer
    x = 173.09

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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.