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Finding the Fourth Proportional to 34,167.80, 51,251.70 and 31,287.80

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Solution

The fourth proportional to 34,167.80, 51,251.70 and 31,287.80 is: 46,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.80 : 51,251.70 = 31,287.80 : x
  2. Step 2: Convert to fraction form
    34,167.80/51,251.70 = 31,287.80/x
  3. Step 3: Cross multiply
    34,167.80x = 51,251.70 × 31,287.80
  4. Step 4: Simplify right side
    34,167.80x = 1,603,552,939.26
  5. Step 5: Solve for x
    x = 1,603,552,939.26/34,167.80
  6. Step 6: Final answer
    x = 46,931.70

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