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Finding the Fourth Proportional to 103,634.40, 155,248.22 and 53,747.11

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Solution

The fourth proportional to 103,634.40, 155,248.22 and 53,747.11 is: 80,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.40 : 155,248.22 = 53,747.11 : x
  2. Step 2: Convert to fraction form
    103,634.40/155,248.22 = 53,747.11/x
  3. Step 3: Cross multiply
    103,634.40x = 155,248.22 × 53,747.11
  4. Step 4: Simplify right side
    103,634.40x = 8,344,143,157.64
  5. Step 5: Solve for x
    x = 8,344,143,157.64/103,634.40
  6. Step 6: Final answer
    x = 80,515.19

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