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Finding the Fourth Proportional to 244.75, 367.12 and 82.43

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Solution

The fourth proportional to 244.75, 367.12 and 82.43 is: 123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.75 : 367.12 = 82.43 : x
  2. Step 2: Convert to fraction form
    244.75/367.12 = 82.43/x
  3. Step 3: Cross multiply
    244.75x = 367.12 × 82.43
  4. Step 4: Simplify right side
    244.75x = 30,261.70
  5. Step 5: Solve for x
    x = 30,261.70/244.75
  6. Step 6: Final answer
    x = 123.64

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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.