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Finding the Fourth Proportional to 57,212.16, 78,960.51 and 33,346.32

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Solution

The fourth proportional to 57,212.16, 78,960.51 and 33,346.32 is: 46,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.16 : 78,960.51 = 33,346.32 : x
  2. Step 2: Convert to fraction form
    57,212.16/78,960.51 = 33,346.32/x
  3. Step 3: Cross multiply
    57,212.16x = 78,960.51 × 33,346.32
  4. Step 4: Simplify right side
    57,212.16x = 2,633,042,433.82
  5. Step 5: Solve for x
    x = 2,633,042,433.82/57,212.16
  6. Step 6: Final answer
    x = 46,022.43

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