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Finding the Fourth Proportional to 119,857.41, 165,403.07 and 66,142.43

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Solution

The fourth proportional to 119,857.41, 165,403.07 and 66,142.43 is: 91,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,857.41 : 165,403.07 = 66,142.43 : x
  2. Step 2: Convert to fraction form
    119,857.41/165,403.07 = 66,142.43/x
  3. Step 3: Cross multiply
    119,857.41x = 165,403.07 × 66,142.43
  4. Step 4: Simplify right side
    119,857.41x = 10,940,159,821.53
  5. Step 5: Solve for x
    x = 10,940,159,821.53/119,857.41
  6. Step 6: Final answer
    x = 91,276.46

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