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Finding the Fourth Proportional to 223.49, 335.23 and 125.94

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Solution

The fourth proportional to 223.49, 335.23 and 125.94 is: 188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.49 : 335.23 = 125.94 : x
  2. Step 2: Convert to fraction form
    223.49/335.23 = 125.94/x
  3. Step 3: Cross multiply
    223.49x = 335.23 × 125.94
  4. Step 4: Simplify right side
    223.49x = 42,218.87
  5. Step 5: Solve for x
    x = 42,218.87/223.49
  6. Step 6: Final answer
    x = 188.91

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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.