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Finding the Fourth Proportional to 224.43, 336.81 and 166.79

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Solution

The fourth proportional to 224.43, 336.81 and 166.79 is: 250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.43 : 336.81 = 166.79 : x
  2. Step 2: Convert to fraction form
    224.43/336.81 = 166.79/x
  3. Step 3: Cross multiply
    224.43x = 336.81 × 166.79
  4. Step 4: Simplify right side
    224.43x = 56,174.86
  5. Step 5: Solve for x
    x = 56,174.86/224.43
  6. Step 6: Final answer
    x = 250.30

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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.