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Finding the Fourth Proportional to 105,664.70, 158,205.45 and 82,336.70

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Solution

The fourth proportional to 105,664.70, 158,205.45 and 82,336.70 is: 123,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,664.70 : 158,205.45 = 82,336.70 : x
  2. Step 2: Convert to fraction form
    105,664.70/158,205.45 = 82,336.70/x
  3. Step 3: Cross multiply
    105,664.70x = 158,205.45 × 82,336.70
  4. Step 4: Simplify right side
    105,664.70x = 13,026,114,675.02
  5. Step 5: Solve for x
    x = 13,026,114,675.02/105,664.70
  6. Step 6: Final answer
    x = 123,277.83

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