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Finding the Fourth Proportional to 82,979.60, 124,320.90 and 50,462.60

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Solution

The fourth proportional to 82,979.60, 124,320.90 and 50,462.60 is: 75,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,979.60 : 124,320.90 = 50,462.60 : x
  2. Step 2: Convert to fraction form
    82,979.60/124,320.90 = 50,462.60/x
  3. Step 3: Cross multiply
    82,979.60x = 124,320.90 × 50,462.60
  4. Step 4: Simplify right side
    82,979.60x = 6,273,555,848.34
  5. Step 5: Solve for x
    x = 6,273,555,848.34/82,979.60
  6. Step 6: Final answer
    x = 75,603.59

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