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Finding the Fourth Proportional to 226.76, 339.82 and 174.92

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Solution

The fourth proportional to 226.76, 339.82 and 174.92 is: 262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.76 : 339.82 = 174.92 : x
  2. Step 2: Convert to fraction form
    226.76/339.82 = 174.92/x
  3. Step 3: Cross multiply
    226.76x = 339.82 × 174.92
  4. Step 4: Simplify right side
    226.76x = 59,441.31
  5. Step 5: Solve for x
    x = 59,441.31/226.76
  6. Step 6: Final answer
    x = 262.13

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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.