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Finding the Fourth Proportional to 224.97, 310.44 and 125.39

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Solution

The fourth proportional to 224.97, 310.44 and 125.39 is: 173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.97 : 310.44 = 125.39 : x
  2. Step 2: Convert to fraction form
    224.97/310.44 = 125.39/x
  3. Step 3: Cross multiply
    224.97x = 310.44 × 125.39
  4. Step 4: Simplify right side
    224.97x = 38,926.07
  5. Step 5: Solve for x
    x = 38,926.07/224.97
  6. Step 6: Final answer
    x = 173.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.