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Finding the Fourth Proportional to 226.15, 339.09 and 167.83

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Solution

The fourth proportional to 226.15, 339.09 and 167.83 is: 251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.15 : 339.09 = 167.83 : x
  2. Step 2: Convert to fraction form
    226.15/339.09 = 167.83/x
  3. Step 3: Cross multiply
    226.15x = 339.09 × 167.83
  4. Step 4: Simplify right side
    226.15x = 56,909.47
  5. Step 5: Solve for x
    x = 56,909.47/226.15
  6. Step 6: Final answer
    x = 251.64

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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.