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Finding the Fourth Proportional to 207,270.60, 310,905.90 and 74,142.78

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Solution

The fourth proportional to 207,270.60, 310,905.90 and 74,142.78 is: 111,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,270.60 : 310,905.90 = 74,142.78 : x
  2. Step 2: Convert to fraction form
    207,270.60/310,905.90 = 74,142.78/x
  3. Step 3: Cross multiply
    207,270.60x = 310,905.90 × 74,142.78
  4. Step 4: Simplify right side
    207,270.60x = 23,051,427,744.40
  5. Step 5: Solve for x
    x = 23,051,427,744.40/207,270.60
  6. Step 6: Final answer
    x = 111,214.17

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