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Finding the Fourth Proportional to 80,900.44, 121,356.42 and 25,495

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Solution

The fourth proportional to 80,900.44, 121,356.42 and 25,495 is: 38,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,900.44 : 121,356.42 = 25,495 : x
  2. Step 2: Convert to fraction form
    80,900.44/121,356.42 = 25,495/x
  3. Step 3: Cross multiply
    80,900.44x = 121,356.42 × 25,495
  4. Step 4: Simplify right side
    80,900.44x = 3,093,981,927.90
  5. Step 5: Solve for x
    x = 3,093,981,927.90/80,900.44
  6. Step 6: Final answer
    x = 38,244.32

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