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Finding the Fourth Proportional to 223.11, 334.79 and 114.97

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Solution

The fourth proportional to 223.11, 334.79 and 114.97 is: 172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.11 : 334.79 = 114.97 : x
  2. Step 2: Convert to fraction form
    223.11/334.79 = 114.97/x
  3. Step 3: Cross multiply
    223.11x = 334.79 × 114.97
  4. Step 4: Simplify right side
    223.11x = 38,491.73
  5. Step 5: Solve for x
    x = 38,491.73/223.11
  6. Step 6: Final answer
    x = 172.53

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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.