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Finding the Fourth Proportional to 133,471.31, 200,067.48 and 44,651.75

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Solution

The fourth proportional to 133,471.31, 200,067.48 and 44,651.75 is: 66,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,471.31 : 200,067.48 = 44,651.75 : x
  2. Step 2: Convert to fraction form
    133,471.31/200,067.48 = 44,651.75/x
  3. Step 3: Cross multiply
    133,471.31x = 200,067.48 × 44,651.75
  4. Step 4: Simplify right side
    133,471.31x = 8,933,362,099.75
  5. Step 5: Solve for x
    x = 8,933,362,099.75/133,471.31
  6. Step 6: Final answer
    x = 66,930.96

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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.