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Finding the Fourth Proportional to 57,698.92, 86,397.38 and 46,394.20

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Solution

The fourth proportional to 57,698.92, 86,397.38 and 46,394.20 is: 69,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.92 : 86,397.38 = 46,394.20 : x
  2. Step 2: Convert to fraction form
    57,698.92/86,397.38 = 46,394.20/x
  3. Step 3: Cross multiply
    57,698.92x = 86,397.38 × 46,394.20
  4. Step 4: Simplify right side
    57,698.92x = 4,008,337,327.20
  5. Step 5: Solve for x
    x = 4,008,337,327.20/57,698.92
  6. Step 6: Final answer
    x = 69,469.88

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