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Finding the Fourth Proportional to 89,810.70, 123,944.22 and 49,524.30

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Solution

The fourth proportional to 89,810.70, 123,944.22 and 49,524.30 is: 68,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,810.70 : 123,944.22 = 49,524.30 : x
  2. Step 2: Convert to fraction form
    89,810.70/123,944.22 = 49,524.30/x
  3. Step 3: Cross multiply
    89,810.70x = 123,944.22 × 49,524.30
  4. Step 4: Simplify right side
    89,810.70x = 6,138,250,734.55
  5. Step 5: Solve for x
    x = 6,138,250,734.55/89,810.70
  6. Step 6: Final answer
    x = 68,346.54

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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.