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Finding the Fourth Proportional to 223.98, 335.52 and 163.23

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Solution

The fourth proportional to 223.98, 335.52 and 163.23 is: 244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.98 : 335.52 = 163.23 : x
  2. Step 2: Convert to fraction form
    223.98/335.52 = 163.23/x
  3. Step 3: Cross multiply
    223.98x = 335.52 × 163.23
  4. Step 4: Simplify right side
    223.98x = 54,766.93
  5. Step 5: Solve for x
    x = 54,766.93/223.98
  6. Step 6: Final answer
    x = 244.52

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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.