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Finding the Fourth Proportional to 232.89, 349.13 and 117.17

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Solution

The fourth proportional to 232.89, 349.13 and 117.17 is: 175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.89 : 349.13 = 117.17 : x
  2. Step 2: Convert to fraction form
    232.89/349.13 = 117.17/x
  3. Step 3: Cross multiply
    232.89x = 349.13 × 117.17
  4. Step 4: Simplify right side
    232.89x = 40,909.38
  5. Step 5: Solve for x
    x = 40,909.38/232.89
  6. Step 6: Final answer
    x = 175.66

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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.