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Finding the Fourth Proportional to 70,487.94, 97,272.45 and 40,273.03

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Solution

The fourth proportional to 70,487.94, 97,272.45 and 40,273.03 is: 55,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,487.94 : 97,272.45 = 40,273.03 : x
  2. Step 2: Convert to fraction form
    70,487.94/97,272.45 = 40,273.03/x
  3. Step 3: Cross multiply
    70,487.94x = 97,272.45 × 40,273.03
  4. Step 4: Simplify right side
    70,487.94x = 3,917,456,297.02
  5. Step 5: Solve for x
    x = 3,917,456,297.02/70,487.94
  6. Step 6: Final answer
    x = 55,576.26

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