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Finding the Fourth Proportional to 223.85, 335.03 and 169.44

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Solution

The fourth proportional to 223.85, 335.03 and 169.44 is: 253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.85 : 335.03 = 169.44 : x
  2. Step 2: Convert to fraction form
    223.85/335.03 = 169.44/x
  3. Step 3: Cross multiply
    223.85x = 335.03 × 169.44
  4. Step 4: Simplify right side
    223.85x = 56,766.64
  5. Step 5: Solve for x
    x = 56,766.64/223.85
  6. Step 6: Final answer
    x = 253.60

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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.