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Finding the Fourth Proportional to 80,699.45, 121,068.60 and 25,295.45

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Solution

The fourth proportional to 80,699.45, 121,068.60 and 25,295.45 is: 37,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,699.45 : 121,068.60 = 25,295.45 : x
  2. Step 2: Convert to fraction form
    80,699.45/121,068.60 = 25,295.45/x
  3. Step 3: Cross multiply
    80,699.45x = 121,068.60 × 25,295.45
  4. Step 4: Simplify right side
    80,699.45x = 3,062,484,112.53
  5. Step 5: Solve for x
    x = 3,062,484,112.53/80,699.45
  6. Step 6: Final answer
    x = 37,949.26

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