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Finding the Fourth Proportional to 295,279.73, 407,485.91 and 161,143.73

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Solution

The fourth proportional to 295,279.73, 407,485.91 and 161,143.73 is: 222,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,279.73 : 407,485.91 = 161,143.73 : x
  2. Step 2: Convert to fraction form
    295,279.73/407,485.91 = 161,143.73/x
  3. Step 3: Cross multiply
    295,279.73x = 407,485.91 × 161,143.73
  4. Step 4: Simplify right side
    295,279.73x = 65,663,799,459.84
  5. Step 5: Solve for x
    x = 65,663,799,459.84/295,279.73
  6. Step 6: Final answer
    x = 222,378.28

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