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Finding the Fourth Proportional to 226.08, 338.96 and 112

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Solution

The fourth proportional to 226.08, 338.96 and 112 is: 167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.08 : 338.96 = 112 : x
  2. Step 2: Convert to fraction form
    226.08/338.96 = 112/x
  3. Step 3: Cross multiply
    226.08x = 338.96 × 112
  4. Step 4: Simplify right side
    226.08x = 37,963.52
  5. Step 5: Solve for x
    x = 37,963.52/226.08
  6. Step 6: Final answer
    x = 167.92

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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.