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Finding the Fourth Proportional to 169.27, 233.55 and 116.12

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Solution

The fourth proportional to 169.27, 233.55 and 116.12 is: 160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.27 : 233.55 = 116.12 : x
  2. Step 2: Convert to fraction form
    169.27/233.55 = 116.12/x
  3. Step 3: Cross multiply
    169.27x = 233.55 × 116.12
  4. Step 4: Simplify right side
    169.27x = 27,119.83
  5. Step 5: Solve for x
    x = 27,119.83/169.27
  6. Step 6: Final answer
    x = 160.22

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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.