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Finding the Fourth Proportional to 223.43, 335.14 and 125.96

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Solution

The fourth proportional to 223.43, 335.14 and 125.96 is: 188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.43 : 335.14 = 125.96 : x
  2. Step 2: Convert to fraction form
    223.43/335.14 = 125.96/x
  3. Step 3: Cross multiply
    223.43x = 335.14 × 125.96
  4. Step 4: Simplify right side
    223.43x = 42,212.24
  5. Step 5: Solve for x
    x = 42,212.24/223.43
  6. Step 6: Final answer
    x = 188.93

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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.