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Finding the Fourth Proportional to 223.52, 335.37 and 194.96

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Solution

The fourth proportional to 223.52, 335.37 and 194.96 is: 292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.52 : 335.37 = 194.96 : x
  2. Step 2: Convert to fraction form
    223.52/335.37 = 194.96/x
  3. Step 3: Cross multiply
    223.52x = 335.37 × 194.96
  4. Step 4: Simplify right side
    223.52x = 65,382.06
  5. Step 5: Solve for x
    x = 65,382.06/223.52
  6. Step 6: Final answer
    x = 292.52

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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.