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Finding the Fourth Proportional to 222.48, 333.28 and 168.44

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Solution

The fourth proportional to 222.48, 333.28 and 168.44 is: 252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.48 : 333.28 = 168.44 : x
  2. Step 2: Convert to fraction form
    222.48/333.28 = 168.44/x
  3. Step 3: Cross multiply
    222.48x = 333.28 × 168.44
  4. Step 4: Simplify right side
    222.48x = 56,137.68
  5. Step 5: Solve for x
    x = 56,137.68/222.48
  6. Step 6: Final answer
    x = 252.33

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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.