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Finding the Fourth Proportional to 223.50, 335.11 and 93.59

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Solution

The fourth proportional to 223.50, 335.11 and 93.59 is: 140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.50 : 335.11 = 93.59 : x
  2. Step 2: Convert to fraction form
    223.50/335.11 = 93.59/x
  3. Step 3: Cross multiply
    223.50x = 335.11 × 93.59
  4. Step 4: Simplify right side
    223.50x = 31,361.64
  5. Step 5: Solve for x
    x = 31,361.64/223.50
  6. Step 6: Final answer
    x = 140.32

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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.