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Finding the Fourth Proportional to 232.11, 348.31 and 123.97

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Solution

The fourth proportional to 232.11, 348.31 and 123.97 is: 186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.11 : 348.31 = 123.97 : x
  2. Step 2: Convert to fraction form
    232.11/348.31 = 123.97/x
  3. Step 3: Cross multiply
    232.11x = 348.31 × 123.97
  4. Step 4: Simplify right side
    232.11x = 43,179.99
  5. Step 5: Solve for x
    x = 43,179.99/232.11
  6. Step 6: Final answer
    x = 186.03

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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.