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Finding the Fourth Proportional to 89,848.40, 134,772.60 and 82,266.80

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Solution

The fourth proportional to 89,848.40, 134,772.60 and 82,266.80 is: 123,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,848.40 : 134,772.60 = 82,266.80 : x
  2. Step 2: Convert to fraction form
    89,848.40/134,772.60 = 82,266.80/x
  3. Step 3: Cross multiply
    89,848.40x = 134,772.60 × 82,266.80
  4. Step 4: Simplify right side
    89,848.40x = 11,087,310,529.68
  5. Step 5: Solve for x
    x = 11,087,310,529.68/89,848.40
  6. Step 6: Final answer
    x = 123,400.20

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