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Finding the Fourth Proportional to 224.20, 335.60 and 125.23

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Solution

The fourth proportional to 224.20, 335.60 and 125.23 is: 187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.20 : 335.60 = 125.23 : x
  2. Step 2: Convert to fraction form
    224.20/335.60 = 125.23/x
  3. Step 3: Cross multiply
    224.20x = 335.60 × 125.23
  4. Step 4: Simplify right side
    224.20x = 42,027.19
  5. Step 5: Solve for x
    x = 42,027.19/224.20
  6. Step 6: Final answer
    x = 187.45

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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.