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Finding the Fourth Proportional to 182.11, 251.28 and 104.48

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Solution

The fourth proportional to 182.11, 251.28 and 104.48 is: 144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.11 : 251.28 = 104.48 : x
  2. Step 2: Convert to fraction form
    182.11/251.28 = 104.48/x
  3. Step 3: Cross multiply
    182.11x = 251.28 × 104.48
  4. Step 4: Simplify right side
    182.11x = 26,253.73
  5. Step 5: Solve for x
    x = 26,253.73/182.11
  6. Step 6: Final answer
    x = 144.16

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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.