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Finding the Fourth Proportional to 185.24, 254.96 and 136.04

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Solution

The fourth proportional to 185.24, 254.96 and 136.04 is: 187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.24 : 254.96 = 136.04 : x
  2. Step 2: Convert to fraction form
    185.24/254.96 = 136.04/x
  3. Step 3: Cross multiply
    185.24x = 254.96 × 136.04
  4. Step 4: Simplify right side
    185.24x = 34,684.76
  5. Step 5: Solve for x
    x = 34,684.76/185.24
  6. Step 6: Final answer
    x = 187.24

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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.