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Finding the Fourth Proportional to 68,309.98, 94,251.70 and 41,451.86

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Solution

The fourth proportional to 68,309.98, 94,251.70 and 41,451.86 is: 57,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,309.98 : 94,251.70 = 41,451.86 : x
  2. Step 2: Convert to fraction form
    68,309.98/94,251.70 = 41,451.86/x
  3. Step 3: Cross multiply
    68,309.98x = 94,251.70 × 41,451.86
  4. Step 4: Simplify right side
    68,309.98x = 3,906,908,273.16
  5. Step 5: Solve for x
    x = 3,906,908,273.16/68,309.98
  6. Step 6: Final answer
    x = 57,193.81

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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.