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Finding the Fourth Proportional to 101,422.80, 152,134.20 and 73,429.20

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Solution

The fourth proportional to 101,422.80, 152,134.20 and 73,429.20 is: 110,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,422.80 : 152,134.20 = 73,429.20 : x
  2. Step 2: Convert to fraction form
    101,422.80/152,134.20 = 73,429.20/x
  3. Step 3: Cross multiply
    101,422.80x = 152,134.20 × 73,429.20
  4. Step 4: Simplify right side
    101,422.80x = 11,171,092,598.64
  5. Step 5: Solve for x
    x = 11,171,092,598.64/101,422.80
  6. Step 6: Final answer
    x = 110,143.80

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