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Finding the Fourth Proportional to 124,654.11, 172,036.22 and 76,906.23

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Solution

The fourth proportional to 124,654.11, 172,036.22 and 76,906.23 is: 106,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,654.11 : 172,036.22 = 76,906.23 : x
  2. Step 2: Convert to fraction form
    124,654.11/172,036.22 = 76,906.23/x
  3. Step 3: Cross multiply
    124,654.11x = 172,036.22 × 76,906.23
  4. Step 4: Simplify right side
    124,654.11x = 13,230,656,719.12
  5. Step 5: Solve for x
    x = 13,230,656,719.12/124,654.11
  6. Step 6: Final answer
    x = 106,138.95

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