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Finding the Fourth Proportional to 223.96, 335.80 and 108.48

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Solution

The fourth proportional to 223.96, 335.80 and 108.48 is: 162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.96 : 335.80 = 108.48 : x
  2. Step 2: Convert to fraction form
    223.96/335.80 = 108.48/x
  3. Step 3: Cross multiply
    223.96x = 335.80 × 108.48
  4. Step 4: Simplify right side
    223.96x = 36,427.58
  5. Step 5: Solve for x
    x = 36,427.58/223.96
  6. Step 6: Final answer
    x = 162.65

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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.