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Finding the Fourth Proportional to 244.53, 366.68 and 79.92

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Solution

The fourth proportional to 244.53, 366.68 and 79.92 is: 119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.53 : 366.68 = 79.92 : x
  2. Step 2: Convert to fraction form
    244.53/366.68 = 79.92/x
  3. Step 3: Cross multiply
    244.53x = 366.68 × 79.92
  4. Step 4: Simplify right side
    244.53x = 29,305.27
  5. Step 5: Solve for x
    x = 29,305.27/244.53
  6. Step 6: Final answer
    x = 119.84

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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.