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Finding the Fourth Proportional to 232.01, 348.52 and 140.76

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Solution

The fourth proportional to 232.01, 348.52 and 140.76 is: 211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.01 : 348.52 = 140.76 : x
  2. Step 2: Convert to fraction form
    232.01/348.52 = 140.76/x
  3. Step 3: Cross multiply
    232.01x = 348.52 × 140.76
  4. Step 4: Simplify right side
    232.01x = 49,057.68
  5. Step 5: Solve for x
    x = 49,057.68/232.01
  6. Step 6: Final answer
    x = 211.45

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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.