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Finding the Fourth Proportional to 224.06, 335.96 and 115.92

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Solution

The fourth proportional to 224.06, 335.96 and 115.92 is: 173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.06 : 335.96 = 115.92 : x
  2. Step 2: Convert to fraction form
    224.06/335.96 = 115.92/x
  3. Step 3: Cross multiply
    224.06x = 335.96 × 115.92
  4. Step 4: Simplify right side
    224.06x = 38,944.48
  5. Step 5: Solve for x
    x = 38,944.48/224.06
  6. Step 6: Final answer
    x = 173.81

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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.