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Finding the Fourth Proportional to 124,921.41, 172,391.54 and 68,334.00

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Solution

The fourth proportional to 124,921.41, 172,391.54 and 68,334.00 is: 94,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,921.41 : 172,391.54 = 68,334.00 : x
  2. Step 2: Convert to fraction form
    124,921.41/172,391.54 = 68,334.00/x
  3. Step 3: Cross multiply
    124,921.41x = 172,391.54 × 68,334.00
  4. Step 4: Simplify right side
    124,921.41x = 11,780,202,890.60
  5. Step 5: Solve for x
    x = 11,780,202,890.60/124,921.41
  6. Step 6: Final answer
    x = 94,300.91

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