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Finding the Fourth Proportional to 244.62, 366.95 and 71.31

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Solution

The fourth proportional to 244.62, 366.95 and 71.31 is: 106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.62 : 366.95 = 71.31 : x
  2. Step 2: Convert to fraction form
    244.62/366.95 = 71.31/x
  3. Step 3: Cross multiply
    244.62x = 366.95 × 71.31
  4. Step 4: Simplify right side
    244.62x = 26,166.85
  5. Step 5: Solve for x
    x = 26,166.85/244.62
  6. Step 6: Final answer
    x = 106.97

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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.