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Finding the Fourth Proportional to 227,190.68, 340,847.36 and 69,414.82

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Solution

The fourth proportional to 227,190.68, 340,847.36 and 69,414.82 is: 104,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,190.68 : 340,847.36 = 69,414.82 : x
  2. Step 2: Convert to fraction form
    227,190.68/340,847.36 = 69,414.82/x
  3. Step 3: Cross multiply
    227,190.68x = 340,847.36 × 69,414.82
  4. Step 4: Simplify right side
    227,190.68x = 23,659,858,141.88
  5. Step 5: Solve for x
    x = 23,659,858,141.88/227,190.68
  6. Step 6: Final answer
    x = 104,140.97

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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.