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Finding the Fourth Proportional to 103,813.15, 155,719.73 and 98,629.15

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Solution

The fourth proportional to 103,813.15, 155,719.73 and 98,629.15 is: 147,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,813.15 : 155,719.73 = 98,629.15 : x
  2. Step 2: Convert to fraction form
    103,813.15/155,719.73 = 98,629.15/x
  3. Step 3: Cross multiply
    103,813.15x = 155,719.73 × 98,629.15
  4. Step 4: Simplify right side
    103,813.15x = 15,358,504,114.98
  5. Step 5: Solve for x
    x = 15,358,504,114.98/103,813.15
  6. Step 6: Final answer
    x = 147,943.73

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