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Finding the Fourth Proportional to 105,956.46, 146,216.49 and 58,206.81

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Solution

The fourth proportional to 105,956.46, 146,216.49 and 58,206.81 is: 80,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.46 : 146,216.49 = 58,206.81 : x
  2. Step 2: Convert to fraction form
    105,956.46/146,216.49 = 58,206.81/x
  3. Step 3: Cross multiply
    105,956.46x = 146,216.49 × 58,206.81
  4. Step 4: Simplify right side
    105,956.46x = 8,510,795,452.30
  5. Step 5: Solve for x
    x = 8,510,795,452.30/105,956.46
  6. Step 6: Final answer
    x = 80,323.52

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