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Finding the Fourth Proportional to 86,666.22, 129,821.94 and 59,945.94

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Solution

The fourth proportional to 86,666.22, 129,821.94 and 59,945.94 is: 89,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,666.22 : 129,821.94 = 59,945.94 : x
  2. Step 2: Convert to fraction form
    86,666.22/129,821.94 = 59,945.94/x
  3. Step 3: Cross multiply
    86,666.22x = 129,821.94 × 59,945.94
  4. Step 4: Simplify right side
    86,666.22x = 7,782,298,225.92
  5. Step 5: Solve for x
    x = 7,782,298,225.92/86,666.22
  6. Step 6: Final answer
    x = 89,796.21

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