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Finding the Fourth Proportional to 54,694.40, 82,041.60 and 45,363.20

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Solution

The fourth proportional to 54,694.40, 82,041.60 and 45,363.20 is: 68,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,694.40 : 82,041.60 = 45,363.20 : x
  2. Step 2: Convert to fraction form
    54,694.40/82,041.60 = 45,363.20/x
  3. Step 3: Cross multiply
    54,694.40x = 82,041.60 × 45,363.20
  4. Step 4: Simplify right side
    54,694.40x = 3,721,669,509.12
  5. Step 5: Solve for x
    x = 3,721,669,509.12/54,694.40
  6. Step 6: Final answer
    x = 68,044.80

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