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Finding the Fourth Proportional to 222.46, 333.76 and 168.32

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Solution

The fourth proportional to 222.46, 333.76 and 168.32 is: 252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.46 : 333.76 = 168.32 : x
  2. Step 2: Convert to fraction form
    222.46/333.76 = 168.32/x
  3. Step 3: Cross multiply
    222.46x = 333.76 × 168.32
  4. Step 4: Simplify right side
    222.46x = 56,178.48
  5. Step 5: Solve for x
    x = 56,178.48/222.46
  6. Step 6: Final answer
    x = 252.53

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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.