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Finding the Fourth Proportional to 89,309.93, 123,249.11 and 49,027.37

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Solution

The fourth proportional to 89,309.93, 123,249.11 and 49,027.37 is: 67,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,309.93 : 123,249.11 = 49,027.37 : x
  2. Step 2: Convert to fraction form
    89,309.93/123,249.11 = 49,027.37/x
  3. Step 3: Cross multiply
    89,309.93x = 123,249.11 × 49,027.37
  4. Step 4: Simplify right side
    89,309.93x = 6,042,578,856.76
  5. Step 5: Solve for x
    x = 6,042,578,856.76/89,309.93
  6. Step 6: Final answer
    x = 67,658.54

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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.