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Finding the Fourth Proportional to 69,442.71, 95,847.13 and 49,305.91

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Solution

The fourth proportional to 69,442.71, 95,847.13 and 49,305.91 is: 68,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,442.71 : 95,847.13 = 49,305.91 : x
  2. Step 2: Convert to fraction form
    69,442.71/95,847.13 = 49,305.91/x
  3. Step 3: Cross multiply
    69,442.71x = 95,847.13 × 49,305.91
  4. Step 4: Simplify right side
    69,442.71x = 4,725,829,965.54
  5. Step 5: Solve for x
    x = 4,725,829,965.54/69,442.71
  6. Step 6: Final answer
    x = 68,053.65

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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.