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Finding the Fourth Proportional to 68,253.41, 102,380.13 and 26,671.25

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Solution

The fourth proportional to 68,253.41, 102,380.13 and 26,671.25 is: 40,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,253.41 : 102,380.13 = 26,671.25 : x
  2. Step 2: Convert to fraction form
    68,253.41/102,380.13 = 26,671.25/x
  3. Step 3: Cross multiply
    68,253.41x = 102,380.13 × 26,671.25
  4. Step 4: Simplify right side
    68,253.41x = 2,730,606,042.26
  5. Step 5: Solve for x
    x = 2,730,606,042.26/68,253.41
  6. Step 6: Final answer
    x = 40,006.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.