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Finding the Fourth Proportional to 67,982, 93,800.94 and 41,119.26

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Solution

The fourth proportional to 67,982, 93,800.94 and 41,119.26 is: 56,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,982 : 93,800.94 = 41,119.26 : x
  2. Step 2: Convert to fraction form
    67,982/93,800.94 = 41,119.26/x
  3. Step 3: Cross multiply
    67,982x = 93,800.94 × 41,119.26
  4. Step 4: Simplify right side
    67,982x = 3,857,025,240.10
  5. Step 5: Solve for x
    x = 3,857,025,240.10/67,982
  6. Step 6: Final answer
    x = 56,735.98

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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.