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Finding the Fourth Proportional to 226.10, 338.34 and 165.08

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Solution

The fourth proportional to 226.10, 338.34 and 165.08 is: 247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.10 : 338.34 = 165.08 : x
  2. Step 2: Convert to fraction form
    226.10/338.34 = 165.08/x
  3. Step 3: Cross multiply
    226.10x = 338.34 × 165.08
  4. Step 4: Simplify right side
    226.10x = 55,853.17
  5. Step 5: Solve for x
    x = 55,853.17/226.10
  6. Step 6: Final answer
    x = 247.03

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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.