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Finding the Fourth Proportional to 222.26, 306.74 and 167.26

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Solution

The fourth proportional to 222.26, 306.74 and 167.26 is: 230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.26 : 306.74 = 167.26 : x
  2. Step 2: Convert to fraction form
    222.26/306.74 = 167.26/x
  3. Step 3: Cross multiply
    222.26x = 306.74 × 167.26
  4. Step 4: Simplify right side
    222.26x = 51,305.33
  5. Step 5: Solve for x
    x = 51,305.33/222.26
  6. Step 6: Final answer
    x = 230.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.