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Finding the Fourth Proportional to 89,164.07, 133,744.77 and 21,696.74

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Solution

The fourth proportional to 89,164.07, 133,744.77 and 21,696.74 is: 32,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,164.07 : 133,744.77 = 21,696.74 : x
  2. Step 2: Convert to fraction form
    89,164.07/133,744.77 = 21,696.74/x
  3. Step 3: Cross multiply
    89,164.07x = 133,744.77 × 21,696.74
  4. Step 4: Simplify right side
    89,164.07x = 2,901,824,832.33
  5. Step 5: Solve for x
    x = 2,901,824,832.33/89,164.07
  6. Step 6: Final answer
    x = 32,544.78

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