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Finding the Fourth Proportional to 223.84, 335.67 and 108.22

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Solution

The fourth proportional to 223.84, 335.67 and 108.22 is: 162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.84 : 335.67 = 108.22 : x
  2. Step 2: Convert to fraction form
    223.84/335.67 = 108.22/x
  3. Step 3: Cross multiply
    223.84x = 335.67 × 108.22
  4. Step 4: Simplify right side
    223.84x = 36,327.31
  5. Step 5: Solve for x
    x = 36,327.31/223.84
  6. Step 6: Final answer
    x = 162.29

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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.