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Finding the Fourth Proportional to 227,076.75, 340,608.65 and 69,282.27

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Solution

The fourth proportional to 227,076.75, 340,608.65 and 69,282.27 is: 103,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,076.75 : 340,608.65 = 69,282.27 : x
  2. Step 2: Convert to fraction form
    227,076.75/340,608.65 = 69,282.27/x
  3. Step 3: Cross multiply
    227,076.75x = 340,608.65 × 69,282.27
  4. Step 4: Simplify right side
    227,076.75x = 23,598,140,107.22
  5. Step 5: Solve for x
    x = 23,598,140,107.22/227,076.75
  6. Step 6: Final answer
    x = 103,921.43

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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.