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Finding the Fourth Proportional to 224.20, 335.88 and 116.05

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Solution

The fourth proportional to 224.20, 335.88 and 116.05 is: 173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.20 : 335.88 = 116.05 : x
  2. Step 2: Convert to fraction form
    224.20/335.88 = 116.05/x
  3. Step 3: Cross multiply
    224.20x = 335.88 × 116.05
  4. Step 4: Simplify right side
    224.20x = 38,978.87
  5. Step 5: Solve for x
    x = 38,978.87/224.20
  6. Step 6: Final answer
    x = 173.86

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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.