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Finding the Fourth Proportional to 75,793.52, 104,469.72 and 50,633.84

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Solution

The fourth proportional to 75,793.52, 104,469.72 and 50,633.84 is: 69,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,793.52 : 104,469.72 = 50,633.84 : x
  2. Step 2: Convert to fraction form
    75,793.52/104,469.72 = 50,633.84/x
  3. Step 3: Cross multiply
    75,793.52x = 104,469.72 × 50,633.84
  4. Step 4: Simplify right side
    75,793.52x = 5,289,703,087.32
  5. Step 5: Solve for x
    x = 5,289,703,087.32/75,793.52
  6. Step 6: Final answer
    x = 69,790.97

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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.