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Finding the Fourth Proportional to 89,187.92, 133,789.16 and 44,791.84

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Solution

The fourth proportional to 89,187.92, 133,789.16 and 44,791.84 is: 67,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.92 : 133,789.16 = 44,791.84 : x
  2. Step 2: Convert to fraction form
    89,187.92/133,789.16 = 44,791.84/x
  3. Step 3: Cross multiply
    89,187.92x = 133,789.16 × 44,791.84
  4. Step 4: Simplify right side
    89,187.92x = 5,992,662,648.45
  5. Step 5: Solve for x
    x = 5,992,662,648.45/89,187.92
  6. Step 6: Final answer
    x = 67,191.42

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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.