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Finding the Fourth Proportional to 40,151.67, 60,230.49 and 12,069.48

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Solution

The fourth proportional to 40,151.67, 60,230.49 and 12,069.48 is: 18,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.67 : 60,230.49 = 12,069.48 : x
  2. Step 2: Convert to fraction form
    40,151.67/60,230.49 = 12,069.48/x
  3. Step 3: Cross multiply
    40,151.67x = 60,230.49 × 12,069.48
  4. Step 4: Simplify right side
    40,151.67x = 726,950,694.45
  5. Step 5: Solve for x
    x = 726,950,694.45/40,151.67
  6. Step 6: Final answer
    x = 18,105.12

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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.