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Finding the Fourth Proportional to 93,422.40, 140,133.60 and 92,839.20

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Solution

The fourth proportional to 93,422.40, 140,133.60 and 92,839.20 is: 139,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,422.40 : 140,133.60 = 92,839.20 : x
  2. Step 2: Convert to fraction form
    93,422.40/140,133.60 = 92,839.20/x
  3. Step 3: Cross multiply
    93,422.40x = 140,133.60 × 92,839.20
  4. Step 4: Simplify right side
    93,422.40x = 13,009,891,317.12
  5. Step 5: Solve for x
    x = 13,009,891,317.12/93,422.40
  6. Step 6: Final answer
    x = 139,258.80

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