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Finding the Fourth Proportional to 74,134.80, 111,202.20 and 73,443.60

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Solution

The fourth proportional to 74,134.80, 111,202.20 and 73,443.60 is: 110,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,134.80 : 111,202.20 = 73,443.60 : x
  2. Step 2: Convert to fraction form
    74,134.80/111,202.20 = 73,443.60/x
  3. Step 3: Cross multiply
    74,134.80x = 111,202.20 × 73,443.60
  4. Step 4: Simplify right side
    74,134.80x = 8,167,089,895.92
  5. Step 5: Solve for x
    x = 8,167,089,895.92/74,134.80
  6. Step 6: Final answer
    x = 110,165.40

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