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Finding the Fourth Proportional to 249.52, 344.26 and 166.60

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Solution

The fourth proportional to 249.52, 344.26 and 166.60 is: 229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.52 : 344.26 = 166.60 : x
  2. Step 2: Convert to fraction form
    249.52/344.26 = 166.60/x
  3. Step 3: Cross multiply
    249.52x = 344.26 × 166.60
  4. Step 4: Simplify right side
    249.52x = 57,353.72
  5. Step 5: Solve for x
    x = 57,353.72/249.52
  6. Step 6: Final answer
    x = 229.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.