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Finding the Fourth Proportional to 224.33, 335.79 and 125.36

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Solution

The fourth proportional to 224.33, 335.79 and 125.36 is: 187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.33 : 335.79 = 125.36 : x
  2. Step 2: Convert to fraction form
    224.33/335.79 = 125.36/x
  3. Step 3: Cross multiply
    224.33x = 335.79 × 125.36
  4. Step 4: Simplify right side
    224.33x = 42,092.96
  5. Step 5: Solve for x
    x = 42,092.96/224.33
  6. Step 6: Final answer
    x = 187.64

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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.