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Finding the Fourth Proportional to 68,671.82, 94,776.51 and 41,449.31

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Solution

The fourth proportional to 68,671.82, 94,776.51 and 41,449.31 is: 57,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,671.82 : 94,776.51 = 41,449.31 : x
  2. Step 2: Convert to fraction form
    68,671.82/94,776.51 = 41,449.31/x
  3. Step 3: Cross multiply
    68,671.82x = 94,776.51 × 41,449.31
  4. Step 4: Simplify right side
    68,671.82x = 3,928,420,469.83
  5. Step 5: Solve for x
    x = 3,928,420,469.83/68,671.82
  6. Step 6: Final answer
    x = 57,205.72

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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.