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Finding the Fourth Proportional to 226.48, 339.31 and 110.85

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Solution

The fourth proportional to 226.48, 339.31 and 110.85 is: 166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.48 : 339.31 = 110.85 : x
  2. Step 2: Convert to fraction form
    226.48/339.31 = 110.85/x
  3. Step 3: Cross multiply
    226.48x = 339.31 × 110.85
  4. Step 4: Simplify right side
    226.48x = 37,610.26
  5. Step 5: Solve for x
    x = 37,610.26/226.48
  6. Step 6: Final answer
    x = 166.07

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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.