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Finding the Fourth Proportional to 124,640.71, 172,004.11 and 68,052.08

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Solution

The fourth proportional to 124,640.71, 172,004.11 and 68,052.08 is: 93,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,640.71 : 172,004.11 = 68,052.08 : x
  2. Step 2: Convert to fraction form
    124,640.71/172,004.11 = 68,052.08/x
  3. Step 3: Cross multiply
    124,640.71x = 172,004.11 × 68,052.08
  4. Step 4: Simplify right side
    124,640.71x = 11,705,237,713.93
  5. Step 5: Solve for x
    x = 11,705,237,713.93/124,640.71
  6. Step 6: Final answer
    x = 93,911.84

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