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Finding the Fourth Proportional to 238.29, 357.45 and 93.97

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Solution

The fourth proportional to 238.29, 357.45 and 93.97 is: 140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.29 : 357.45 = 93.97 : x
  2. Step 2: Convert to fraction form
    238.29/357.45 = 93.97/x
  3. Step 3: Cross multiply
    238.29x = 357.45 × 93.97
  4. Step 4: Simplify right side
    238.29x = 33,589.58
  5. Step 5: Solve for x
    x = 33,589.58/238.29
  6. Step 6: Final answer
    x = 140.96

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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.