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Finding the Fourth Proportional to 68,849.19, 103,273.79 and 22,134.87

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Solution

The fourth proportional to 68,849.19, 103,273.79 and 22,134.87 is: 33,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.19 : 103,273.79 = 22,134.87 : x
  2. Step 2: Convert to fraction form
    68,849.19/103,273.79 = 22,134.87/x
  3. Step 3: Cross multiply
    68,849.19x = 103,273.79 × 22,134.87
  4. Step 4: Simplify right side
    68,849.19x = 2,285,951,805.38
  5. Step 5: Solve for x
    x = 2,285,951,805.38/68,849.19
  6. Step 6: Final answer
    x = 33,202.31

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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.