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Finding the Fourth Proportional to 137,910.94, 206,866.41 and 44,416.69

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Solution

The fourth proportional to 137,910.94, 206,866.41 and 44,416.69 is: 66,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,910.94 : 206,866.41 = 44,416.69 : x
  2. Step 2: Convert to fraction form
    137,910.94/206,866.41 = 44,416.69/x
  3. Step 3: Cross multiply
    137,910.94x = 206,866.41 × 44,416.69
  4. Step 4: Simplify right side
    137,910.94x = 9,188,320,520.65
  5. Step 5: Solve for x
    x = 9,188,320,520.65/137,910.94
  6. Step 6: Final answer
    x = 66,625.03

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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.