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Finding the Fourth Proportional to 68,726.97, 94,843.06 and 41,869.46

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Solution

The fourth proportional to 68,726.97, 94,843.06 and 41,869.46 is: 57,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,726.97 : 94,843.06 = 41,869.46 : x
  2. Step 2: Convert to fraction form
    68,726.97/94,843.06 = 41,869.46/x
  3. Step 3: Cross multiply
    68,726.97x = 94,843.06 × 41,869.46
  4. Step 4: Simplify right side
    68,726.97x = 3,971,027,706.95
  5. Step 5: Solve for x
    x = 3,971,027,706.95/68,726.97
  6. Step 6: Final answer
    x = 57,779.76

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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.