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Finding the Fourth Proportional to 192,092.90, 288,136.65 and 86,911.70

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Solution

The fourth proportional to 192,092.90, 288,136.65 and 86,911.70 is: 130,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,092.90 : 288,136.65 = 86,911.70 : x
  2. Step 2: Convert to fraction form
    192,092.90/288,136.65 = 86,911.70/x
  3. Step 3: Cross multiply
    192,092.90x = 288,136.65 × 86,911.70
  4. Step 4: Simplify right side
    192,092.90x = 25,042,446,083.81
  5. Step 5: Solve for x
    x = 25,042,446,083.81/192,092.90
  6. Step 6: Final answer
    x = 130,366.33

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