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Finding the Fourth Proportional to 223.77, 335.49 and 106.58

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Solution

The fourth proportional to 223.77, 335.49 and 106.58 is: 159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.77 : 335.49 = 106.58 : x
  2. Step 2: Convert to fraction form
    223.77/335.49 = 106.58/x
  3. Step 3: Cross multiply
    223.77x = 335.49 × 106.58
  4. Step 4: Simplify right side
    223.77x = 35,757.11
  5. Step 5: Solve for x
    x = 35,757.11/223.77
  6. Step 6: Final answer
    x = 159.79

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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.