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Finding the Fourth Proportional to 173.92, 239.88 and 169.96

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Solution

The fourth proportional to 173.92, 239.88 and 169.96 is: 234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.92 : 239.88 = 169.96 : x
  2. Step 2: Convert to fraction form
    173.92/239.88 = 169.96/x
  3. Step 3: Cross multiply
    173.92x = 239.88 × 169.96
  4. Step 4: Simplify right side
    173.92x = 40,770.00
  5. Step 5: Solve for x
    x = 40,770.00/173.92
  6. Step 6: Final answer
    x = 234.42

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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.