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Finding the Fourth Proportional to 73,940.57, 110,920.04 and 28,956.11

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Solution

The fourth proportional to 73,940.57, 110,920.04 and 28,956.11 is: 43,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,940.57 : 110,920.04 = 28,956.11 : x
  2. Step 2: Convert to fraction form
    73,940.57/110,920.04 = 28,956.11/x
  3. Step 3: Cross multiply
    73,940.57x = 110,920.04 × 28,956.11
  4. Step 4: Simplify right side
    73,940.57x = 3,211,812,734.66
  5. Step 5: Solve for x
    x = 3,211,812,734.66/73,940.57
  6. Step 6: Final answer
    x = 43,437.76

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