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Finding the Fourth Proportional to 87,093.52, 120,067.57 and 58,418.30

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Solution

The fourth proportional to 87,093.52, 120,067.57 and 58,418.30 is: 80,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,093.52 : 120,067.57 = 58,418.30 : x
  2. Step 2: Convert to fraction form
    87,093.52/120,067.57 = 58,418.30/x
  3. Step 3: Cross multiply
    87,093.52x = 120,067.57 × 58,418.30
  4. Step 4: Simplify right side
    87,093.52x = 7,014,143,324.53
  5. Step 5: Solve for x
    x = 7,014,143,324.53/87,093.52
  6. Step 6: Final answer
    x = 80,535.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.