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Finding the Fourth Proportional to 95,764.20, 143,646.30 and 86,578.80

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Solution

The fourth proportional to 95,764.20, 143,646.30 and 86,578.80 is: 129,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,764.20 : 143,646.30 = 86,578.80 : x
  2. Step 2: Convert to fraction form
    95,764.20/143,646.30 = 86,578.80/x
  3. Step 3: Cross multiply
    95,764.20x = 143,646.30 × 86,578.80
  4. Step 4: Simplify right side
    95,764.20x = 12,436,724,278.44
  5. Step 5: Solve for x
    x = 12,436,724,278.44/95,764.20
  6. Step 6: Final answer
    x = 129,868.20

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