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Finding the Fourth Proportional to 222.38, 333.42 and 167.50

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Solution

The fourth proportional to 222.38, 333.42 and 167.50 is: 251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.38 : 333.42 = 167.50 : x
  2. Step 2: Convert to fraction form
    222.38/333.42 = 167.50/x
  3. Step 3: Cross multiply
    222.38x = 333.42 × 167.50
  4. Step 4: Simplify right side
    222.38x = 55,847.85
  5. Step 5: Solve for x
    x = 55,847.85/222.38
  6. Step 6: Final answer
    x = 251.14

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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.