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Finding the Fourth Proportional to 143,034.54, 197,389.83 and 79,376.46

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Solution

The fourth proportional to 143,034.54, 197,389.83 and 79,376.46 is: 109,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,034.54 : 197,389.83 = 79,376.46 : x
  2. Step 2: Convert to fraction form
    143,034.54/197,389.83 = 79,376.46/x
  3. Step 3: Cross multiply
    143,034.54x = 197,389.83 × 79,376.46
  4. Step 4: Simplify right side
    143,034.54x = 15,668,105,945.40
  5. Step 5: Solve for x
    x = 15,668,105,945.40/143,034.54
  6. Step 6: Final answer
    x = 109,540.72

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