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Finding the Fourth Proportional to 89,797.41, 123,914.84 and 49,511.61

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Solution

The fourth proportional to 89,797.41, 123,914.84 and 49,511.61 is: 68,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,797.41 : 123,914.84 = 49,511.61 : x
  2. Step 2: Convert to fraction form
    89,797.41/123,914.84 = 49,511.61/x
  3. Step 3: Cross multiply
    89,797.41x = 123,914.84 × 49,511.61
  4. Step 4: Simplify right side
    89,797.41x = 6,135,222,983.73
  5. Step 5: Solve for x
    x = 6,135,222,983.73/89,797.41
  6. Step 6: Final answer
    x = 68,322.94

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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.