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Finding the Fourth Proportional to 101,754.70, 140,430.11 and 56,447.28

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Solution

The fourth proportional to 101,754.70, 140,430.11 and 56,447.28 is: 77,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,754.70 : 140,430.11 = 56,447.28 : x
  2. Step 2: Convert to fraction form
    101,754.70/140,430.11 = 56,447.28/x
  3. Step 3: Cross multiply
    101,754.70x = 140,430.11 × 56,447.28
  4. Step 4: Simplify right side
    101,754.70x = 7,926,897,739.60
  5. Step 5: Solve for x
    x = 7,926,897,739.60/101,754.70
  6. Step 6: Final answer
    x = 77,902.03

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