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Finding the Fourth Proportional to 69,179.44, 95,469.84 and 40,501.92

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Solution

The fourth proportional to 69,179.44, 95,469.84 and 40,501.92 is: 55,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,179.44 : 95,469.84 = 40,501.92 : x
  2. Step 2: Convert to fraction form
    69,179.44/95,469.84 = 40,501.92/x
  3. Step 3: Cross multiply
    69,179.44x = 95,469.84 × 40,501.92
  4. Step 4: Simplify right side
    69,179.44x = 3,866,711,822.09
  5. Step 5: Solve for x
    x = 3,866,711,822.09/69,179.44
  6. Step 6: Final answer
    x = 55,893.95

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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.