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Finding the Fourth Proportional to 232.48, 348.72 and 141.22

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Solution

The fourth proportional to 232.48, 348.72 and 141.22 is: 211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.48 : 348.72 = 141.22 : x
  2. Step 2: Convert to fraction form
    232.48/348.72 = 141.22/x
  3. Step 3: Cross multiply
    232.48x = 348.72 × 141.22
  4. Step 4: Simplify right side
    232.48x = 49,246.24
  5. Step 5: Solve for x
    x = 49,246.24/232.48
  6. Step 6: Final answer
    x = 211.83

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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.