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Finding the Fourth Proportional to 51,229.80, 76,844.70 and 46,564.20

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Solution

The fourth proportional to 51,229.80, 76,844.70 and 46,564.20 is: 69,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.80 : 76,844.70 = 46,564.20 : x
  2. Step 2: Convert to fraction form
    51,229.80/76,844.70 = 46,564.20/x
  3. Step 3: Cross multiply
    51,229.80x = 76,844.70 × 46,564.20
  4. Step 4: Simplify right side
    51,229.80x = 3,578,211,979.74
  5. Step 5: Solve for x
    x = 3,578,211,979.74/51,229.80
  6. Step 6: Final answer
    x = 69,846.30

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