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Finding the Fourth Proportional to 82,251.04, 123,091.44 and 50,647

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Solution

The fourth proportional to 82,251.04, 123,091.44 and 50,647 is: 75,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,251.04 : 123,091.44 = 50,647 : x
  2. Step 2: Convert to fraction form
    82,251.04/123,091.44 = 50,647/x
  3. Step 3: Cross multiply
    82,251.04x = 123,091.44 × 50,647
  4. Step 4: Simplify right side
    82,251.04x = 6,234,212,161.68
  5. Step 5: Solve for x
    x = 6,234,212,161.68/82,251.04
  6. Step 6: Final answer
    x = 75,794.93

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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.