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Finding the Fourth Proportional to 106,728.30, 160,092.45 and 92,904.30

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Solution

The fourth proportional to 106,728.30, 160,092.45 and 92,904.30 is: 139,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,728.30 : 160,092.45 = 92,904.30 : x
  2. Step 2: Convert to fraction form
    106,728.30/160,092.45 = 92,904.30/x
  3. Step 3: Cross multiply
    106,728.30x = 160,092.45 × 92,904.30
  4. Step 4: Simplify right side
    106,728.30x = 14,873,277,002.54
  5. Step 5: Solve for x
    x = 14,873,277,002.54/106,728.30
  6. Step 6: Final answer
    x = 139,356.45

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