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Finding the Fourth Proportional to 223.82, 335.56 and 114.11

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Solution

The fourth proportional to 223.82, 335.56 and 114.11 is: 171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.82 : 335.56 = 114.11 : x
  2. Step 2: Convert to fraction form
    223.82/335.56 = 114.11/x
  3. Step 3: Cross multiply
    223.82x = 335.56 × 114.11
  4. Step 4: Simplify right side
    223.82x = 38,290.75
  5. Step 5: Solve for x
    x = 38,290.75/223.82
  6. Step 6: Final answer
    x = 171.08

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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.