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Finding the Fourth Proportional to 247,755.44, 371,607.84 and 67,856.88

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Solution

The fourth proportional to 247,755.44, 371,607.84 and 67,856.88 is: 101,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,755.44 : 371,607.84 = 67,856.88 : x
  2. Step 2: Convert to fraction form
    247,755.44/371,607.84 = 67,856.88/x
  3. Step 3: Cross multiply
    247,755.44x = 371,607.84 × 67,856.88
  4. Step 4: Simplify right side
    247,755.44x = 25,216,148,605.94
  5. Step 5: Solve for x
    x = 25,216,148,605.94/247,755.44
  6. Step 6: Final answer
    x = 101,778.39

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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.