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Finding the Fourth Proportional to 232.97, 321.48 and 134.73

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Solution

The fourth proportional to 232.97, 321.48 and 134.73 is: 185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.97 : 321.48 = 134.73 : x
  2. Step 2: Convert to fraction form
    232.97/321.48 = 134.73/x
  3. Step 3: Cross multiply
    232.97x = 321.48 × 134.73
  4. Step 4: Simplify right side
    232.97x = 43,313.00
  5. Step 5: Solve for x
    x = 43,313.00/232.97
  6. Step 6: Final answer
    x = 185.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.