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Finding the Fourth Proportional to 169.60, 233.96 and 125.92

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Solution

The fourth proportional to 169.60, 233.96 and 125.92 is: 173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.60 : 233.96 = 125.92 : x
  2. Step 2: Convert to fraction form
    169.60/233.96 = 125.92/x
  3. Step 3: Cross multiply
    169.60x = 233.96 × 125.92
  4. Step 4: Simplify right side
    169.60x = 29,460.24
  5. Step 5: Solve for x
    x = 29,460.24/169.60
  6. Step 6: Final answer
    x = 173.70

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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.