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Finding the Fourth Proportional to 54,911.61, 82,318.82 and 26,815.95

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Solution

The fourth proportional to 54,911.61, 82,318.82 and 26,815.95 is: 40,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.61 : 82,318.82 = 26,815.95 : x
  2. Step 2: Convert to fraction form
    54,911.61/82,318.82 = 26,815.95/x
  3. Step 3: Cross multiply
    54,911.61x = 82,318.82 × 26,815.95
  4. Step 4: Simplify right side
    54,911.61x = 2,207,457,227.10
  5. Step 5: Solve for x
    x = 2,207,457,227.10/54,911.61
  6. Step 6: Final answer
    x = 40,200.19

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