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Finding the Fourth Proportional to 273,486.11, 410,067.16 and 93,507.85

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Solution

The fourth proportional to 273,486.11, 410,067.16 and 93,507.85 is: 140,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,486.11 : 410,067.16 = 93,507.85 : x
  2. Step 2: Convert to fraction form
    273,486.11/410,067.16 = 93,507.85/x
  3. Step 3: Cross multiply
    273,486.11x = 410,067.16 × 93,507.85
  4. Step 4: Simplify right side
    273,486.11x = 38,344,498,766.02
  5. Step 5: Solve for x
    x = 38,344,498,766.02/273,486.11
  6. Step 6: Final answer
    x = 140,206.39

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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.