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Finding the Fourth Proportional to 117,692.80, 176,539.20 and 106,028.80

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Solution

The fourth proportional to 117,692.80, 176,539.20 and 106,028.80 is: 159,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,692.80 : 176,539.20 = 106,028.80 : x
  2. Step 2: Convert to fraction form
    117,692.80/176,539.20 = 106,028.80/x
  3. Step 3: Cross multiply
    117,692.80x = 176,539.20 × 106,028.80
  4. Step 4: Simplify right side
    117,692.80x = 18,718,239,528.96
  5. Step 5: Solve for x
    x = 18,718,239,528.96/117,692.80
  6. Step 6: Final answer
    x = 159,043.20

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