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Finding the Fourth Proportional to 222.62, 333.46 and 168.84

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Solution

The fourth proportional to 222.62, 333.46 and 168.84 is: 252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.62 : 333.46 = 168.84 : x
  2. Step 2: Convert to fraction form
    222.62/333.46 = 168.84/x
  3. Step 3: Cross multiply
    222.62x = 333.46 × 168.84
  4. Step 4: Simplify right side
    222.62x = 56,301.39
  5. Step 5: Solve for x
    x = 56,301.39/222.62
  6. Step 6: Final answer
    x = 252.90

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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.