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Finding the Fourth Proportional to 223.46, 335.14 and 107.83

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Solution

The fourth proportional to 223.46, 335.14 and 107.83 is: 161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.46 : 335.14 = 107.83 : x
  2. Step 2: Convert to fraction form
    223.46/335.14 = 107.83/x
  3. Step 3: Cross multiply
    223.46x = 335.14 × 107.83
  4. Step 4: Simplify right side
    223.46x = 36,137.61
  5. Step 5: Solve for x
    x = 36,137.61/223.46
  6. Step 6: Final answer
    x = 161.72

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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.