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Finding the Fourth Proportional to 182.16, 251.33 and 112.24

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Solution

The fourth proportional to 182.16, 251.33 and 112.24 is: 154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.16 : 251.33 = 112.24 : x
  2. Step 2: Convert to fraction form
    182.16/251.33 = 112.24/x
  3. Step 3: Cross multiply
    182.16x = 251.33 × 112.24
  4. Step 4: Simplify right side
    182.16x = 28,208.72
  5. Step 5: Solve for x
    x = 28,208.72/182.16
  6. Step 6: Final answer
    x = 154.86

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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.