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Finding the Fourth Proportional to 273,949.88, 410,923.46 and 74,269.95

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Solution

The fourth proportional to 273,949.88, 410,923.46 and 74,269.95 is: 111,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,949.88 : 410,923.46 = 74,269.95 : x
  2. Step 2: Convert to fraction form
    273,949.88/410,923.46 = 74,269.95/x
  3. Step 3: Cross multiply
    273,949.88x = 410,923.46 × 74,269.95
  4. Step 4: Simplify right side
    273,949.88x = 30,519,264,456.68
  5. Step 5: Solve for x
    x = 30,519,264,456.68/273,949.88
  6. Step 6: Final answer
    x = 111,404.56

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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.