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Finding the Fourth Proportional to 170.16, 254.97 and 116.04

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Solution

The fourth proportional to 170.16, 254.97 and 116.04 is: 173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.16 : 254.97 = 116.04 : x
  2. Step 2: Convert to fraction form
    170.16/254.97 = 116.04/x
  3. Step 3: Cross multiply
    170.16x = 254.97 × 116.04
  4. Step 4: Simplify right side
    170.16x = 29,586.72
  5. Step 5: Solve for x
    x = 29,586.72/170.16
  6. Step 6: Final answer
    x = 173.88

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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.