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Finding the Fourth Proportional to 182.17, 251.38 and 112.23

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Solution

The fourth proportional to 182.17, 251.38 and 112.23 is: 154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.17 : 251.38 = 112.23 : x
  2. Step 2: Convert to fraction form
    182.17/251.38 = 112.23/x
  3. Step 3: Cross multiply
    182.17x = 251.38 × 112.23
  4. Step 4: Simplify right side
    182.17x = 28,212.38
  5. Step 5: Solve for x
    x = 28,212.38/182.17
  6. Step 6: Final answer
    x = 154.87

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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.