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Finding the Fourth Proportional to 169.30, 233.49 and 125.74

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Solution

The fourth proportional to 169.30, 233.49 and 125.74 is: 173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.30 : 233.49 = 125.74 : x
  2. Step 2: Convert to fraction form
    169.30/233.49 = 125.74/x
  3. Step 3: Cross multiply
    169.30x = 233.49 × 125.74
  4. Step 4: Simplify right side
    169.30x = 29,359.03
  5. Step 5: Solve for x
    x = 29,359.03/169.30
  6. Step 6: Final answer
    x = 173.41

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