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Finding the Fourth Proportional to 73,798.20, 110,711.70 and 31,678.20

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Solution

The fourth proportional to 73,798.20, 110,711.70 and 31,678.20 is: 47,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,798.20 : 110,711.70 = 31,678.20 : x
  2. Step 2: Convert to fraction form
    73,798.20/110,711.70 = 31,678.20/x
  3. Step 3: Cross multiply
    73,798.20x = 110,711.70 × 31,678.20
  4. Step 4: Simplify right side
    73,798.20x = 3,507,147,374.94
  5. Step 5: Solve for x
    x = 3,507,147,374.94/73,798.20
  6. Step 6: Final answer
    x = 47,523.48

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