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Finding the Fourth Proportional to 247.92, 372 and 93.95

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Solution

The fourth proportional to 247.92, 372 and 93.95 is: 140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.92 : 372 = 93.95 : x
  2. Step 2: Convert to fraction form
    247.92/372 = 93.95/x
  3. Step 3: Cross multiply
    247.92x = 372 × 93.95
  4. Step 4: Simplify right side
    247.92x = 34,947.54
  5. Step 5: Solve for x
    x = 34,947.54/247.92
  6. Step 6: Final answer
    x = 140.96

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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.