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Finding the Fourth Proportional to 244.74, 366.90 and 107.68

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Solution

The fourth proportional to 244.74, 366.90 and 107.68 is: 161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.74 : 366.90 = 107.68 : x
  2. Step 2: Convert to fraction form
    244.74/366.90 = 107.68/x
  3. Step 3: Cross multiply
    244.74x = 366.90 × 107.68
  4. Step 4: Simplify right side
    244.74x = 39,506.47
  5. Step 5: Solve for x
    x = 39,506.47/244.74
  6. Step 6: Final answer
    x = 161.42

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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.