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Finding the Fourth Proportional to 103,595.80, 155,393.69 and 68,527.26

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Solution

The fourth proportional to 103,595.80, 155,393.69 and 68,527.26 is: 102,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,595.80 : 155,393.69 = 68,527.26 : x
  2. Step 2: Convert to fraction form
    103,595.80/155,393.69 = 68,527.26/x
  3. Step 3: Cross multiply
    103,595.80x = 155,393.69 × 68,527.26
  4. Step 4: Simplify right side
    103,595.80x = 10,648,703,796.99
  5. Step 5: Solve for x
    x = 10,648,703,796.99/103,595.80
  6. Step 6: Final answer
    x = 102,790.88

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