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Finding the Fourth Proportional to 148,691.26, 205,197.02 and 84,160.50

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Solution

The fourth proportional to 148,691.26, 205,197.02 and 84,160.50 is: 116,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,691.26 : 205,197.02 = 84,160.50 : x
  2. Step 2: Convert to fraction form
    148,691.26/205,197.02 = 84,160.50/x
  3. Step 3: Cross multiply
    148,691.26x = 205,197.02 × 84,160.50
  4. Step 4: Simplify right side
    148,691.26x = 17,269,483,801.71
  5. Step 5: Solve for x
    x = 17,269,483,801.71/148,691.26
  6. Step 6: Final answer
    x = 116,143.23

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