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Finding the Fourth Proportional to 82,358.28, 123,441.90 and 37,891.68

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Solution

The fourth proportional to 82,358.28, 123,441.90 and 37,891.68 is: 56,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,358.28 : 123,441.90 = 37,891.68 : x
  2. Step 2: Convert to fraction form
    82,358.28/123,441.90 = 37,891.68/x
  3. Step 3: Cross multiply
    82,358.28x = 123,441.90 × 37,891.68
  4. Step 4: Simplify right side
    82,358.28x = 4,677,420,973.39
  5. Step 5: Solve for x
    x = 4,677,420,973.39/82,358.28
  6. Step 6: Final answer
    x = 56,793.57

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