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Finding the Fourth Proportional to 101,560.40, 152,081.40 and 80,824.40

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Solution

The fourth proportional to 101,560.40, 152,081.40 and 80,824.40 is: 121,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,560.40 : 152,081.40 = 80,824.40 : x
  2. Step 2: Convert to fraction form
    101,560.40/152,081.40 = 80,824.40/x
  3. Step 3: Cross multiply
    101,560.40x = 152,081.40 × 80,824.40
  4. Step 4: Simplify right side
    101,560.40x = 12,291,887,906.16
  5. Step 5: Solve for x
    x = 12,291,887,906.16/101,560.40
  6. Step 6: Final answer
    x = 121,030.32

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