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Finding the Fourth Proportional to 81,771.10, 112,847.31 and 45,961.00

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Solution

The fourth proportional to 81,771.10, 112,847.31 and 45,961.00 is: 63,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,771.10 : 112,847.31 = 45,961.00 : x
  2. Step 2: Convert to fraction form
    81,771.10/112,847.31 = 45,961.00/x
  3. Step 3: Cross multiply
    81,771.10x = 112,847.31 × 45,961.00
  4. Step 4: Simplify right side
    81,771.10x = 5,186,574,650.67
  5. Step 5: Solve for x
    x = 5,186,574,650.67/81,771.10
  6. Step 6: Final answer
    x = 63,427.97

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