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Finding the Fourth Proportional to 223.74, 335.80 and 93.82

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Solution

The fourth proportional to 223.74, 335.80 and 93.82 is: 140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.74 : 335.80 = 93.82 : x
  2. Step 2: Convert to fraction form
    223.74/335.80 = 93.82/x
  3. Step 3: Cross multiply
    223.74x = 335.80 × 93.82
  4. Step 4: Simplify right side
    223.74x = 31,504.76
  5. Step 5: Solve for x
    x = 31,504.76/223.74
  6. Step 6: Final answer
    x = 140.81

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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.