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Finding the Fourth Proportional to 53,846.85, 74,308.01 and 31,490.85

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Solution

The fourth proportional to 53,846.85, 74,308.01 and 31,490.85 is: 43,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,846.85 : 74,308.01 = 31,490.85 : x
  2. Step 2: Convert to fraction form
    53,846.85/74,308.01 = 31,490.85/x
  3. Step 3: Cross multiply
    53,846.85x = 74,308.01 × 31,490.85
  4. Step 4: Simplify right side
    53,846.85x = 2,340,022,239.25
  5. Step 5: Solve for x
    x = 2,340,022,239.25/53,846.85
  6. Step 6: Final answer
    x = 43,456.99

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