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Finding the Fourth Proportional to 83,408.24, 115,103.40 and 45,683.12

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Solution

The fourth proportional to 83,408.24, 115,103.40 and 45,683.12 is: 63,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,408.24 : 115,103.40 = 45,683.12 : x
  2. Step 2: Convert to fraction form
    83,408.24/115,103.40 = 45,683.12/x
  3. Step 3: Cross multiply
    83,408.24x = 115,103.40 × 45,683.12
  4. Step 4: Simplify right side
    83,408.24x = 5,258,282,434.61
  5. Step 5: Solve for x
    x = 5,258,282,434.61/83,408.24
  6. Step 6: Final answer
    x = 63,042.72

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