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Finding the Fourth Proportional to 226.12, 311.62 and 182.44

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Solution

The fourth proportional to 226.12, 311.62 and 182.44 is: 251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.12 : 311.62 = 182.44 : x
  2. Step 2: Convert to fraction form
    226.12/311.62 = 182.44/x
  3. Step 3: Cross multiply
    226.12x = 311.62 × 182.44
  4. Step 4: Simplify right side
    226.12x = 56,851.95
  5. Step 5: Solve for x
    x = 56,851.95/226.12
  6. Step 6: Final answer
    x = 251.42

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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.