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Finding the Fourth Proportional to 273,589.87, 410,447.99 and 86,601.37

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Solution

The fourth proportional to 273,589.87, 410,447.99 and 86,601.37 is: 129,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,589.87 : 410,447.99 = 86,601.37 : x
  2. Step 2: Convert to fraction form
    273,589.87/410,447.99 = 86,601.37/x
  3. Step 3: Cross multiply
    273,589.87x = 410,447.99 × 86,601.37
  4. Step 4: Simplify right side
    273,589.87x = 35,545,356,788.62
  5. Step 5: Solve for x
    x = 35,545,356,788.62/273,589.87
  6. Step 6: Final answer
    x = 129,922.05

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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.