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Finding the Fourth Proportional to 84,296.79, 116,332.97 and 48,486.78

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Solution

The fourth proportional to 84,296.79, 116,332.97 and 48,486.78 is: 66,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,296.79 : 116,332.97 = 48,486.78 : x
  2. Step 2: Convert to fraction form
    84,296.79/116,332.97 = 48,486.78/x
  3. Step 3: Cross multiply
    84,296.79x = 116,332.97 × 48,486.78
  4. Step 4: Simplify right side
    84,296.79x = 5,640,610,880.70
  5. Step 5: Solve for x
    x = 5,640,610,880.70/84,296.79
  6. Step 6: Final answer
    x = 66,913.71

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