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Finding the Fourth Proportional to 232.82, 349.24 and 136.56

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Solution

The fourth proportional to 232.82, 349.24 and 136.56 is: 204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.82 : 349.24 = 136.56 : x
  2. Step 2: Convert to fraction form
    232.82/349.24 = 136.56/x
  3. Step 3: Cross multiply
    232.82x = 349.24 × 136.56
  4. Step 4: Simplify right side
    232.82x = 47,692.21
  5. Step 5: Solve for x
    x = 47,692.21/232.82
  6. Step 6: Final answer
    x = 204.85

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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.