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Finding the Fourth Proportional to 223.48, 335.12 and 93.46

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Solution

The fourth proportional to 223.48, 335.12 and 93.46 is: 140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.48 : 335.12 = 93.46 : x
  2. Step 2: Convert to fraction form
    223.48/335.12 = 93.46/x
  3. Step 3: Cross multiply
    223.48x = 335.12 × 93.46
  4. Step 4: Simplify right side
    223.48x = 31,319.85
  5. Step 5: Solve for x
    x = 31,319.85/223.48
  6. Step 6: Final answer
    x = 140.15

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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.