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Finding the Fourth Proportional to 68,893.93, 95,067.43 and 40,216.08

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Solution

The fourth proportional to 68,893.93, 95,067.43 and 40,216.08 is: 55,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893.93 : 95,067.43 = 40,216.08 : x
  2. Step 2: Convert to fraction form
    68,893.93/95,067.43 = 40,216.08/x
  3. Step 3: Cross multiply
    68,893.93x = 95,067.43 × 40,216.08
  4. Step 4: Simplify right side
    68,893.93x = 3,823,239,169.19
  5. Step 5: Solve for x
    x = 3,823,239,169.19/68,893.93
  6. Step 6: Final answer
    x = 55,494.57

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Why These Related Problems?

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