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Finding the Fourth Proportional to 273,370,067.70, 410,055,101.55 and 81,893,843.70

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Solution

The fourth proportional to 273,370,067.70, 410,055,101.55 and 81,893,843.70 is: 122,840,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,370,067.70 : 410,055,101.55 = 81,893,843.70 : x
  2. Step 2: Convert to fraction form
    273,370,067.70/410,055,101.55 = 81,893,843.70/x
  3. Step 3: Cross multiply
    273,370,067.70x = 410,055,101.55 × 81,893,843.70
  4. Step 4: Simplify right side
    273,370,067.70x = 33,580,988,394,723,328
  5. Step 5: Solve for x
    x = 33,580,988,394,723,328/273,370,067.70
  6. Step 6: Final answer
    x = 122,840,765.55

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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.