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Finding the Fourth Proportional to 69,359.60, 103,893.60 and 57,695.60

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Solution

The fourth proportional to 69,359.60, 103,893.60 and 57,695.60 is: 86,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,359.60 : 103,893.60 = 57,695.60 : x
  2. Step 2: Convert to fraction form
    69,359.60/103,893.60 = 57,695.60/x
  3. Step 3: Cross multiply
    69,359.60x = 103,893.60 × 57,695.60
  4. Step 4: Simplify right side
    69,359.60x = 5,994,203,588.16
  5. Step 5: Solve for x
    x = 5,994,203,588.16/69,359.60
  6. Step 6: Final answer
    x = 86,422.12

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