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Finding the Fourth Proportional to 69,685.92, 96,167.24 and 37,855.44

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Solution

The fourth proportional to 69,685.92, 96,167.24 and 37,855.44 is: 52,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,685.92 : 96,167.24 = 37,855.44 : x
  2. Step 2: Convert to fraction form
    69,685.92/96,167.24 = 37,855.44/x
  3. Step 3: Cross multiply
    69,685.92x = 96,167.24 × 37,855.44
  4. Step 4: Simplify right side
    69,685.92x = 3,640,453,183.79
  5. Step 5: Solve for x
    x = 3,640,453,183.79/69,685.92
  6. Step 6: Final answer
    x = 52,240.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.