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Finding the Fourth Proportional to 277,767.72, 416,703.42 and 90,910.44

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Solution

The fourth proportional to 277,767.72, 416,703.42 and 90,910.44 is: 136,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,767.72 : 416,703.42 = 90,910.44 : x
  2. Step 2: Convert to fraction form
    277,767.72/416,703.42 = 90,910.44/x
  3. Step 3: Cross multiply
    277,767.72x = 416,703.42 × 90,910.44
  4. Step 4: Simplify right side
    277,767.72x = 37,882,691,261.70
  5. Step 5: Solve for x
    x = 37,882,691,261.70/277,767.72
  6. Step 6: Final answer
    x = 136,382.63

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