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Finding the Fourth Proportional to 175,040.30, 262,258.05 and 81,353.90

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Solution

The fourth proportional to 175,040.30, 262,258.05 and 81,353.90 is: 121,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,040.30 : 262,258.05 = 81,353.90 : x
  2. Step 2: Convert to fraction form
    175,040.30/262,258.05 = 81,353.90/x
  3. Step 3: Cross multiply
    175,040.30x = 262,258.05 × 81,353.90
  4. Step 4: Simplify right side
    175,040.30x = 21,335,715,173.90
  5. Step 5: Solve for x
    x = 21,335,715,173.90/175,040.30
  6. Step 6: Final answer
    x = 121,890.30

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