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Finding the Fourth Proportional to 414,541.80, 621,812.70 and 134,087.40

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Solution

The fourth proportional to 414,541.80, 621,812.70 and 134,087.40 is: 201,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,541.80 : 621,812.70 = 134,087.40 : x
  2. Step 2: Convert to fraction form
    414,541.80/621,812.70 = 134,087.40/x
  3. Step 3: Cross multiply
    414,541.80x = 621,812.70 × 134,087.40
  4. Step 4: Simplify right side
    414,541.80x = 83,377,248,229.98
  5. Step 5: Solve for x
    x = 83,377,248,229.98/414,541.80
  6. Step 6: Final answer
    x = 201,131.10

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