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Finding the Fourth Proportional to 232.75, 349.08 and 117.17

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Solution

The fourth proportional to 232.75, 349.08 and 117.17 is: 175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.75 : 349.08 = 117.17 : x
  2. Step 2: Convert to fraction form
    232.75/349.08 = 117.17/x
  3. Step 3: Cross multiply
    232.75x = 349.08 × 117.17
  4. Step 4: Simplify right side
    232.75x = 40,901.12
  5. Step 5: Solve for x
    x = 40,901.12/232.75
  6. Step 6: Final answer
    x = 175.73

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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.