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Finding the Fourth Proportional to 223.62, 335.46 and 93.60

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Solution

The fourth proportional to 223.62, 335.46 and 93.60 is: 140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.62 : 335.46 = 93.60 : x
  2. Step 2: Convert to fraction form
    223.62/335.46 = 93.60/x
  3. Step 3: Cross multiply
    223.62x = 335.46 × 93.60
  4. Step 4: Simplify right side
    223.62x = 31,399.06
  5. Step 5: Solve for x
    x = 31,399.06/223.62
  6. Step 6: Final answer
    x = 140.41

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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.