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Finding the Fourth Proportional to 131,204.70, 196,807.05 and 91,806.30

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Solution

The fourth proportional to 131,204.70, 196,807.05 and 91,806.30 is: 137,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,204.70 : 196,807.05 = 91,806.30 : x
  2. Step 2: Convert to fraction form
    131,204.70/196,807.05 = 91,806.30/x
  3. Step 3: Cross multiply
    131,204.70x = 196,807.05 × 91,806.30
  4. Step 4: Simplify right side
    131,204.70x = 18,068,127,074.42
  5. Step 5: Solve for x
    x = 18,068,127,074.42/131,204.70
  6. Step 6: Final answer
    x = 137,709.45

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