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Finding the Fourth Proportional to 244.24, 366.34 and 79.69

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Solution

The fourth proportional to 244.24, 366.34 and 79.69 is: 119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.24 : 366.34 = 79.69 : x
  2. Step 2: Convert to fraction form
    244.24/366.34 = 79.69/x
  3. Step 3: Cross multiply
    244.24x = 366.34 × 79.69
  4. Step 4: Simplify right side
    244.24x = 29,193.63
  5. Step 5: Solve for x
    x = 29,193.63/244.24
  6. Step 6: Final answer
    x = 119.53

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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.