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Finding the Fourth Proportional to 83,771.40, 115,603.74 and 47,967.72

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Solution

The fourth proportional to 83,771.40, 115,603.74 and 47,967.72 is: 66,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,771.40 : 115,603.74 = 47,967.72 : x
  2. Step 2: Convert to fraction form
    83,771.40/115,603.74 = 47,967.72/x
  3. Step 3: Cross multiply
    83,771.40x = 115,603.74 × 47,967.72
  4. Step 4: Simplify right side
    83,771.40x = 5,545,247,831.27
  5. Step 5: Solve for x
    x = 5,545,247,831.27/83,771.40
  6. Step 6: Final answer
    x = 66,195.00

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