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Finding the Fourth Proportional to 100,062.10, 150,178.20 and 40,940.20

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Solution

The fourth proportional to 100,062.10, 150,178.20 and 40,940.20 is: 61,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,062.10 : 150,178.20 = 40,940.20 : x
  2. Step 2: Convert to fraction form
    100,062.10/150,178.20 = 40,940.20/x
  3. Step 3: Cross multiply
    100,062.10x = 150,178.20 × 40,940.20
  4. Step 4: Simplify right side
    100,062.10x = 6,148,325,543.64
  5. Step 5: Solve for x
    x = 6,148,325,543.64/100,062.10
  6. Step 6: Final answer
    x = 61,445.10

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