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Finding the Fourth Proportional to 82,751.61, 124,053.61 and 68,825.89

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Solution

The fourth proportional to 82,751.61, 124,053.61 and 68,825.89 is: 103,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,751.61 : 124,053.61 = 68,825.89 : x
  2. Step 2: Convert to fraction form
    82,751.61/124,053.61 = 68,825.89/x
  3. Step 3: Cross multiply
    82,751.61x = 124,053.61 × 68,825.89
  4. Step 4: Simplify right side
    82,751.61x = 8,538,100,115.96
  5. Step 5: Solve for x
    x = 8,538,100,115.96/82,751.61
  6. Step 6: Final answer
    x = 103,177.45

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