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Finding the Fourth Proportional to 95,520.80, 143,281.20 and 86,663.45

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Solution

The fourth proportional to 95,520.80, 143,281.20 and 86,663.45 is: 129,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,520.80 : 143,281.20 = 86,663.45 : x
  2. Step 2: Convert to fraction form
    95,520.80/143,281.20 = 86,663.45/x
  3. Step 3: Cross multiply
    95,520.80x = 143,281.20 × 86,663.45
  4. Step 4: Simplify right side
    95,520.80x = 12,417,243,112.14
  5. Step 5: Solve for x
    x = 12,417,243,112.14/95,520.80
  6. Step 6: Final answer
    x = 129,995.18

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