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Finding the Fourth Proportional to 169.79, 234.27 and 96.08

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Solution

The fourth proportional to 169.79, 234.27 and 96.08 is: 132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.79 : 234.27 = 96.08 : x
  2. Step 2: Convert to fraction form
    169.79/234.27 = 96.08/x
  3. Step 3: Cross multiply
    169.79x = 234.27 × 96.08
  4. Step 4: Simplify right side
    169.79x = 22,507.49
  5. Step 5: Solve for x
    x = 22,507.49/169.79
  6. Step 6: Final answer
    x = 132.56

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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.