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Finding the Fourth Proportional to 169.11, 232.74 and 125.37

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Solution

The fourth proportional to 169.11, 232.74 and 125.37 is: 172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.11 : 232.74 = 125.37 : x
  2. Step 2: Convert to fraction form
    169.11/232.74 = 125.37/x
  3. Step 3: Cross multiply
    169.11x = 232.74 × 125.37
  4. Step 4: Simplify right side
    169.11x = 29,178.61
  5. Step 5: Solve for x
    x = 29,178.61/169.11
  6. Step 6: Final answer
    x = 172.54

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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.