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Finding the Fourth Proportional to 54,107.96, 74,665.64 and 30,236.44

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Solution

The fourth proportional to 54,107.96, 74,665.64 and 30,236.44 is: 41,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.96 : 74,665.64 = 30,236.44 : x
  2. Step 2: Convert to fraction form
    54,107.96/74,665.64 = 30,236.44/x
  3. Step 3: Cross multiply
    54,107.96x = 74,665.64 × 30,236.44
  4. Step 4: Simplify right side
    54,107.96x = 2,257,623,143.92
  5. Step 5: Solve for x
    x = 2,257,623,143.92/54,107.96
  6. Step 6: Final answer
    x = 41,724.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.