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Finding the Fourth Proportional to 269,776,673.88, 404,679,726.96 and 85,530,824.64

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Solution

The fourth proportional to 269,776,673.88, 404,679,726.96 and 85,530,824.64 is: 128,300,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,776,673.88 : 404,679,726.96 = 85,530,824.64 : x
  2. Step 2: Convert to fraction form
    269,776,673.88/404,679,726.96 = 85,530,824.64/x
  3. Step 3: Cross multiply
    269,776,673.88x = 404,679,726.96 × 85,530,824.64
  4. Step 4: Simplify right side
    269,776,673.88x = 34,612,590,761,978,840
  5. Step 5: Solve for x
    x = 34,612,590,761,978,840/269,776,673.88
  6. Step 6: Final answer
    x = 128,300,902.61

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