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Finding the Fourth Proportional to 73,172.68, 100,980.28 and 41,340.90

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Solution

The fourth proportional to 73,172.68, 100,980.28 and 41,340.90 is: 57,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,172.68 : 100,980.28 = 41,340.90 : x
  2. Step 2: Convert to fraction form
    73,172.68/100,980.28 = 41,340.90/x
  3. Step 3: Cross multiply
    73,172.68x = 100,980.28 × 41,340.90
  4. Step 4: Simplify right side
    73,172.68x = 4,174,615,657.45
  5. Step 5: Solve for x
    x = 4,174,615,657.45/73,172.68
  6. Step 6: Final answer
    x = 57,051.56

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