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Finding the Fourth Proportional to 232.11, 348.03 and 140.76

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Solution

The fourth proportional to 232.11, 348.03 and 140.76 is: 211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.11 : 348.03 = 140.76 : x
  2. Step 2: Convert to fraction form
    232.11/348.03 = 140.76/x
  3. Step 3: Cross multiply
    232.11x = 348.03 × 140.76
  4. Step 4: Simplify right side
    232.11x = 48,988.70
  5. Step 5: Solve for x
    x = 48,988.70/232.11
  6. Step 6: Final answer
    x = 211.06

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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.