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Finding the Fourth Proportional to 91,249.02, 136,959.60 and 46,906.92

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Solution

The fourth proportional to 91,249.02, 136,959.60 and 46,906.92 is: 70,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249.02 : 136,959.60 = 46,906.92 : x
  2. Step 2: Convert to fraction form
    91,249.02/136,959.60 = 46,906.92/x
  3. Step 3: Cross multiply
    91,249.02x = 136,959.60 × 46,906.92
  4. Step 4: Simplify right side
    91,249.02x = 6,424,353,000.43
  5. Step 5: Solve for x
    x = 6,424,353,000.43/91,249.02
  6. Step 6: Final answer
    x = 70,404.62

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