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Finding the Fourth Proportional to 98,505.78, 147,715.95 and 54,119.22

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Solution

The fourth proportional to 98,505.78, 147,715.95 and 54,119.22 is: 81,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,505.78 : 147,715.95 = 54,119.22 : x
  2. Step 2: Convert to fraction form
    98,505.78/147,715.95 = 54,119.22/x
  3. Step 3: Cross multiply
    98,505.78x = 147,715.95 × 54,119.22
  4. Step 4: Simplify right side
    98,505.78x = 7,994,271,995.56
  5. Step 5: Solve for x
    x = 7,994,271,995.56/98,505.78
  6. Step 6: Final answer
    x = 81,155.36

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