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Finding the Fourth Proportional to 238.14, 329.06 and 164.73

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Solution

The fourth proportional to 238.14, 329.06 and 164.73 is: 227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.14 : 329.06 = 164.73 : x
  2. Step 2: Convert to fraction form
    238.14/329.06 = 164.73/x
  3. Step 3: Cross multiply
    238.14x = 329.06 × 164.73
  4. Step 4: Simplify right side
    238.14x = 54,207.70
  5. Step 5: Solve for x
    x = 54,207.70/238.14
  6. Step 6: Final answer
    x = 227.63

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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.