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Finding the Fourth Proportional to 68,844.43, 95,016.05 and 38,641.99

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Solution

The fourth proportional to 68,844.43, 95,016.05 and 38,641.99 is: 53,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,844.43 : 95,016.05 = 38,641.99 : x
  2. Step 2: Convert to fraction form
    68,844.43/95,016.05 = 38,641.99/x
  3. Step 3: Cross multiply
    68,844.43x = 95,016.05 × 38,641.99
  4. Step 4: Simplify right side
    68,844.43x = 3,671,609,253.94
  5. Step 5: Solve for x
    x = 3,671,609,253.94/68,844.43
  6. Step 6: Final answer
    x = 53,331.97

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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.