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Finding the Fourth Proportional to 194,558.40, 291,621.60 and 76,190.40

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Solution

The fourth proportional to 194,558.40, 291,621.60 and 76,190.40 is: 114,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,558.40 : 291,621.60 = 76,190.40 : x
  2. Step 2: Convert to fraction form
    194,558.40/291,621.60 = 76,190.40/x
  3. Step 3: Cross multiply
    194,558.40x = 291,621.60 × 76,190.40
  4. Step 4: Simplify right side
    194,558.40x = 22,218,766,352.64
  5. Step 5: Solve for x
    x = 22,218,766,352.64/194,558.40
  6. Step 6: Final answer
    x = 114,201.01

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