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Finding the Fourth Proportional to 123,118.63, 170,043.83 and 82,762.40

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Solution

The fourth proportional to 123,118.63, 170,043.83 and 82,762.40 is: 114,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,118.63 : 170,043.83 = 82,762.40 : x
  2. Step 2: Convert to fraction form
    123,118.63/170,043.83 = 82,762.40/x
  3. Step 3: Cross multiply
    123,118.63x = 170,043.83 × 82,762.40
  4. Step 4: Simplify right side
    123,118.63x = 14,073,236,108.01
  5. Step 5: Solve for x
    x = 14,073,236,108.01/123,118.63
  6. Step 6: Final answer
    x = 114,306.31

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