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Finding the Fourth Proportional to 93,998.40, 141,016.80 and 31,675.20

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Solution

The fourth proportional to 93,998.40, 141,016.80 and 31,675.20 is: 47,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,998.40 : 141,016.80 = 31,675.20 : x
  2. Step 2: Convert to fraction form
    93,998.40/141,016.80 = 31,675.20/x
  3. Step 3: Cross multiply
    93,998.40x = 141,016.80 × 31,675.20
  4. Step 4: Simplify right side
    93,998.40x = 4,466,735,343.36
  5. Step 5: Solve for x
    x = 4,466,735,343.36/93,998.40
  6. Step 6: Final answer
    x = 47,519.27

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