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Finding the Fourth Proportional to 244.91, 367.43 and 82.60

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Solution

The fourth proportional to 244.91, 367.43 and 82.60 is: 123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.91 : 367.43 = 82.60 : x
  2. Step 2: Convert to fraction form
    244.91/367.43 = 82.60/x
  3. Step 3: Cross multiply
    244.91x = 367.43 × 82.60
  4. Step 4: Simplify right side
    244.91x = 30,349.72
  5. Step 5: Solve for x
    x = 30,349.72/244.91
  6. Step 6: Final answer
    x = 123.92

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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.