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Finding the Fourth Proportional to 226.08, 338.37 and 174.42

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Solution

The fourth proportional to 226.08, 338.37 and 174.42 is: 261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.08 : 338.37 = 174.42 : x
  2. Step 2: Convert to fraction form
    226.08/338.37 = 174.42/x
  3. Step 3: Cross multiply
    226.08x = 338.37 × 174.42
  4. Step 4: Simplify right side
    226.08x = 59,018.50
  5. Step 5: Solve for x
    x = 59,018.50/226.08
  6. Step 6: Final answer
    x = 261.05

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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.