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Finding the Fourth Proportional to 232.28, 348.24 and 122.66

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Solution

The fourth proportional to 232.28, 348.24 and 122.66 is: 183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.28 : 348.24 = 122.66 : x
  2. Step 2: Convert to fraction form
    232.28/348.24 = 122.66/x
  3. Step 3: Cross multiply
    232.28x = 348.24 × 122.66
  4. Step 4: Simplify right side
    232.28x = 42,715.12
  5. Step 5: Solve for x
    x = 42,715.12/232.28
  6. Step 6: Final answer
    x = 183.89

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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.