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Finding the Fourth Proportional to 68,987.98, 95,204.27 and 41,763.71

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Solution

The fourth proportional to 68,987.98, 95,204.27 and 41,763.71 is: 57,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,987.98 : 95,204.27 = 41,763.71 : x
  2. Step 2: Convert to fraction form
    68,987.98/95,204.27 = 41,763.71/x
  3. Step 3: Cross multiply
    68,987.98x = 95,204.27 × 41,763.71
  4. Step 4: Simplify right side
    68,987.98x = 3,976,083,289.24
  5. Step 5: Solve for x
    x = 3,976,083,289.24/68,987.98
  6. Step 6: Final answer
    x = 57,634.43

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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.