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Finding the Fourth Proportional to 223.53, 335.14 and 93.43

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Solution

The fourth proportional to 223.53, 335.14 and 93.43 is: 140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.53 : 335.14 = 93.43 : x
  2. Step 2: Convert to fraction form
    223.53/335.14 = 93.43/x
  3. Step 3: Cross multiply
    223.53x = 335.14 × 93.43
  4. Step 4: Simplify right side
    223.53x = 31,311.37
  5. Step 5: Solve for x
    x = 31,311.37/223.53
  6. Step 6: Final answer
    x = 140.07

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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.