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Finding the Fourth Proportional to 244.28, 366.42 and 61.68

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Solution

The fourth proportional to 244.28, 366.42 and 61.68 is: 92.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.28 : 366.42 = 61.68 : x
  2. Step 2: Convert to fraction form
    244.28/366.42 = 61.68/x
  3. Step 3: Cross multiply
    244.28x = 366.42 × 61.68
  4. Step 4: Simplify right side
    244.28x = 22,600.79
  5. Step 5: Solve for x
    x = 22,600.79/244.28
  6. Step 6: Final answer
    x = 92.52

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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.