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Finding the Fourth Proportional to 205,060.88, 307,485.96 and 92,680.28

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Solution

The fourth proportional to 205,060.88, 307,485.96 and 92,680.28 is: 138,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,060.88 : 307,485.96 = 92,680.28 : x
  2. Step 2: Convert to fraction form
    205,060.88/307,485.96 = 92,680.28/x
  3. Step 3: Cross multiply
    205,060.88x = 307,485.96 × 92,680.28
  4. Step 4: Simplify right side
    205,060.88x = 28,497,884,868.87
  5. Step 5: Solve for x
    x = 28,497,884,868.87/205,060.88
  6. Step 6: Final answer
    x = 138,972.80

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