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Finding the Fourth Proportional to 169.92, 254.64 and 116.04

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Solution

The fourth proportional to 169.92, 254.64 and 116.04 is: 173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.92 : 254.64 = 116.04 : x
  2. Step 2: Convert to fraction form
    169.92/254.64 = 116.04/x
  3. Step 3: Cross multiply
    169.92x = 254.64 × 116.04
  4. Step 4: Simplify right side
    169.92x = 29,548.43
  5. Step 5: Solve for x
    x = 29,548.43/169.92
  6. Step 6: Final answer
    x = 173.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.