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Finding the Fourth Proportional to 226.98, 339.92 and 169.14

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Solution

The fourth proportional to 226.98, 339.92 and 169.14 is: 253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.98 : 339.92 = 169.14 : x
  2. Step 2: Convert to fraction form
    226.98/339.92 = 169.14/x
  3. Step 3: Cross multiply
    226.98x = 339.92 × 169.14
  4. Step 4: Simplify right side
    226.98x = 57,493.22
  5. Step 5: Solve for x
    x = 57,493.22/226.98
  6. Step 6: Final answer
    x = 253.30

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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.