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Finding the Fourth Proportional to 80,149.99, 110,640.99 and 49,950.22

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Solution

The fourth proportional to 80,149.99, 110,640.99 and 49,950.22 is: 68,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.99 : 110,640.99 = 49,950.22 : x
  2. Step 2: Convert to fraction form
    80,149.99/110,640.99 = 49,950.22/x
  3. Step 3: Cross multiply
    80,149.99x = 110,640.99 × 49,950.22
  4. Step 4: Simplify right side
    80,149.99x = 5,526,541,791.52
  5. Step 5: Solve for x
    x = 5,526,541,791.52/80,149.99
  6. Step 6: Final answer
    x = 68,952.50

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1.5x scale

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.