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Finding the Fourth Proportional to 96,797.92, 145,169.28 and 40,650.68

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Solution

The fourth proportional to 96,797.92, 145,169.28 and 40,650.68 is: 60,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,797.92 : 145,169.28 = 40,650.68 : x
  2. Step 2: Convert to fraction form
    96,797.92/145,169.28 = 40,650.68/x
  3. Step 3: Cross multiply
    96,797.92x = 145,169.28 × 40,650.68
  4. Step 4: Simplify right side
    96,797.92x = 5,901,229,947.11
  5. Step 5: Solve for x
    x = 5,901,229,947.11/96,797.92
  6. Step 6: Final answer
    x = 60,964.43

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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.