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Finding the Fourth Proportional to 93,188.48, 139,843.20 and 40,631.36

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Solution

The fourth proportional to 93,188.48, 139,843.20 and 40,631.36 is: 60,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,188.48 : 139,843.20 = 40,631.36 : x
  2. Step 2: Convert to fraction form
    93,188.48/139,843.20 = 40,631.36/x
  3. Step 3: Cross multiply
    93,188.48x = 139,843.20 × 40,631.36
  4. Step 4: Simplify right side
    93,188.48x = 5,682,019,402.75
  5. Step 5: Solve for x
    x = 5,682,019,402.75/93,188.48
  6. Step 6: Final answer
    x = 60,973.41

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