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Finding the Fourth Proportional to 232.56, 349.20 and 164.68

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Solution

The fourth proportional to 232.56, 349.20 and 164.68 is: 247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.56 : 349.20 = 164.68 : x
  2. Step 2: Convert to fraction form
    232.56/349.20 = 164.68/x
  3. Step 3: Cross multiply
    232.56x = 349.20 × 164.68
  4. Step 4: Simplify right side
    232.56x = 57,505.38
  5. Step 5: Solve for x
    x = 57,505.38/232.56
  6. Step 6: Final answer
    x = 247.27

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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.