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Finding the Fourth Proportional to 161,346.42, 242,019.33 and 76,850.30

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Solution

The fourth proportional to 161,346.42, 242,019.33 and 76,850.30 is: 115,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,346.42 : 242,019.33 = 76,850.30 : x
  2. Step 2: Convert to fraction form
    161,346.42/242,019.33 = 76,850.30/x
  3. Step 3: Cross multiply
    161,346.42x = 242,019.33 × 76,850.30
  4. Step 4: Simplify right side
    161,346.42x = 18,599,256,906.20
  5. Step 5: Solve for x
    x = 18,599,256,906.20/161,346.42
  6. Step 6: Final answer
    x = 115,275.30

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