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Finding the Fourth Proportional to 229.35, 344.03 and 168.60

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Solution

The fourth proportional to 229.35, 344.03 and 168.60 is: 252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.35 : 344.03 = 168.60 : x
  2. Step 2: Convert to fraction form
    229.35/344.03 = 168.60/x
  3. Step 3: Cross multiply
    229.35x = 344.03 × 168.60
  4. Step 4: Simplify right side
    229.35x = 58,002.62
  5. Step 5: Solve for x
    x = 58,002.62/229.35
  6. Step 6: Final answer
    x = 252.90

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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.