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Finding the Fourth Proportional to 66,470.44, 99,684.09 and 22,085.28

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Solution

The fourth proportional to 66,470.44, 99,684.09 and 22,085.28 is: 33,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470.44 : 99,684.09 = 22,085.28 : x
  2. Step 2: Convert to fraction form
    66,470.44/99,684.09 = 22,085.28/x
  3. Step 3: Cross multiply
    66,470.44x = 99,684.09 × 22,085.28
  4. Step 4: Simplify right side
    66,470.44x = 2,201,550,540.77
  5. Step 5: Solve for x
    x = 2,201,550,540.77/66,470.44
  6. Step 6: Final answer
    x = 33,120.75

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