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Finding the Fourth Proportional to 68,785.62, 94,941.03 and 41,942.91

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Solution

The fourth proportional to 68,785.62, 94,941.03 and 41,942.91 is: 57,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.62 : 94,941.03 = 41,942.91 : x
  2. Step 2: Convert to fraction form
    68,785.62/94,941.03 = 41,942.91/x
  3. Step 3: Cross multiply
    68,785.62x = 94,941.03 × 41,942.91
  4. Step 4: Simplify right side
    68,785.62x = 3,982,103,076.60
  5. Step 5: Solve for x
    x = 3,982,103,076.60/68,785.62
  6. Step 6: Final answer
    x = 57,891.51

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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.