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Finding the Fourth Proportional to 244.33, 366.46 and 79.85

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Solution

The fourth proportional to 244.33, 366.46 and 79.85 is: 119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.33 : 366.46 = 79.85 : x
  2. Step 2: Convert to fraction form
    244.33/366.46 = 79.85/x
  3. Step 3: Cross multiply
    244.33x = 366.46 × 79.85
  4. Step 4: Simplify right side
    244.33x = 29,261.83
  5. Step 5: Solve for x
    x = 29,261.83/244.33
  6. Step 6: Final answer
    x = 119.76

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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.