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Finding the Fourth Proportional to 57,003.36, 78,664.16 and 31,852.88

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Solution

The fourth proportional to 57,003.36, 78,664.16 and 31,852.88 is: 43,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.36 : 78,664.16 = 31,852.88 : x
  2. Step 2: Convert to fraction form
    57,003.36/78,664.16 = 31,852.88/x
  3. Step 3: Cross multiply
    57,003.36x = 78,664.16 × 31,852.88
  4. Step 4: Simplify right side
    57,003.36x = 2,505,680,048.78
  5. Step 5: Solve for x
    x = 2,505,680,048.78/57,003.36
  6. Step 6: Final answer
    x = 43,956.71

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