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Finding the Fourth Proportional to 89,449.99, 123,441.76 and 49,164.69

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Solution

The fourth proportional to 89,449.99, 123,441.76 and 49,164.69 is: 67,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,449.99 : 123,441.76 = 49,164.69 : x
  2. Step 2: Convert to fraction form
    89,449.99/123,441.76 = 49,164.69/x
  3. Step 3: Cross multiply
    89,449.99x = 123,441.76 × 49,164.69
  4. Step 4: Simplify right side
    89,449.99x = 6,068,975,863.45
  5. Step 5: Solve for x
    x = 6,068,975,863.45/89,449.99
  6. Step 6: Final answer
    x = 67,847.70

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