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Finding the Fourth Proportional to 242,563.40, 363,845.10 and 84,775.40

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Solution

The fourth proportional to 242,563.40, 363,845.10 and 84,775.40 is: 127,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,563.40 : 363,845.10 = 84,775.40 : x
  2. Step 2: Convert to fraction form
    242,563.40/363,845.10 = 84,775.40/x
  3. Step 3: Cross multiply
    242,563.40x = 363,845.10 × 84,775.40
  4. Step 4: Simplify right side
    242,563.40x = 30,845,113,890.54
  5. Step 5: Solve for x
    x = 30,845,113,890.54/242,563.40
  6. Step 6: Final answer
    x = 127,163.10

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