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Finding the Fourth Proportional to 192,015.40, 287,780.10 and 73,528.60

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Solution

The fourth proportional to 192,015.40, 287,780.10 and 73,528.60 is: 110,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.40 : 287,780.10 = 73,528.60 : x
  2. Step 2: Convert to fraction form
    192,015.40/287,780.10 = 73,528.60/x
  3. Step 3: Cross multiply
    192,015.40x = 287,780.10 × 73,528.60
  4. Step 4: Simplify right side
    192,015.40x = 21,160,067,860.86
  5. Step 5: Solve for x
    x = 21,160,067,860.86/192,015.40
  6. Step 6: Final answer
    x = 110,199.85

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