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Finding the Fourth Proportional to 244.62, 366.46 and 122.74

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Solution

The fourth proportional to 244.62, 366.46 and 122.74 is: 183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.62 : 366.46 = 122.74 : x
  2. Step 2: Convert to fraction form
    244.62/366.46 = 122.74/x
  3. Step 3: Cross multiply
    244.62x = 366.46 × 122.74
  4. Step 4: Simplify right side
    244.62x = 44,978.08
  5. Step 5: Solve for x
    x = 44,978.08/244.62
  6. Step 6: Final answer
    x = 183.87

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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.