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Finding the Fourth Proportional to 69,673.25, 96,149.27 and 40,993.99

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Solution

The fourth proportional to 69,673.25, 96,149.27 and 40,993.99 is: 56,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,673.25 : 96,149.27 = 40,993.99 : x
  2. Step 2: Convert to fraction form
    69,673.25/96,149.27 = 40,993.99/x
  3. Step 3: Cross multiply
    69,673.25x = 96,149.27 × 40,993.99
  4. Step 4: Simplify right side
    69,673.25x = 3,941,542,212.89
  5. Step 5: Solve for x
    x = 3,941,542,212.89/69,673.25
  6. Step 6: Final answer
    x = 56,571.82

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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.