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Finding the Fourth Proportional to 218,305.11, 327,457.67 and 78,055.23

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Solution

The fourth proportional to 218,305.11, 327,457.67 and 78,055.23 is: 117,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,305.11 : 327,457.67 = 78,055.23 : x
  2. Step 2: Convert to fraction form
    218,305.11/327,457.67 = 78,055.23/x
  3. Step 3: Cross multiply
    218,305.11x = 327,457.67 × 78,055.23
  4. Step 4: Simplify right side
    218,305.11x = 25,559,783,356.84
  5. Step 5: Solve for x
    x = 25,559,783,356.84/218,305.11
  6. Step 6: Final answer
    x = 117,082.85

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