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Finding the Fourth Proportional to 82,734.20, 124,101.30 and 51,241.40

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Solution

The fourth proportional to 82,734.20, 124,101.30 and 51,241.40 is: 76,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,734.20 : 124,101.30 = 51,241.40 : x
  2. Step 2: Convert to fraction form
    82,734.20/124,101.30 = 51,241.40/x
  3. Step 3: Cross multiply
    82,734.20x = 124,101.30 × 51,241.40
  4. Step 4: Simplify right side
    82,734.20x = 6,359,124,353.82
  5. Step 5: Solve for x
    x = 6,359,124,353.82/82,734.20
  6. Step 6: Final answer
    x = 76,862.10

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