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Finding the Fourth Proportional to 199,673.88, 275,546.28 and 109,027.38

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Solution

The fourth proportional to 199,673.88, 275,546.28 and 109,027.38 is: 150,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,673.88 : 275,546.28 = 109,027.38 : x
  2. Step 2: Convert to fraction form
    199,673.88/275,546.28 = 109,027.38/x
  3. Step 3: Cross multiply
    199,673.88x = 275,546.28 × 109,027.38
  4. Step 4: Simplify right side
    199,673.88x = 30,042,088,977.15
  5. Step 5: Solve for x
    x = 30,042,088,977.15/199,673.88
  6. Step 6: Final answer
    x = 150,455.78

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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.