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Finding the Fourth Proportional to 100,522.20, 150,564.60 and 61,010.40

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Solution

The fourth proportional to 100,522.20, 150,564.60 and 61,010.40 is: 91,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,522.20 : 150,564.60 = 61,010.40 : x
  2. Step 2: Convert to fraction form
    100,522.20/150,564.60 = 61,010.40/x
  3. Step 3: Cross multiply
    100,522.20x = 150,564.60 × 61,010.40
  4. Step 4: Simplify right side
    100,522.20x = 9,186,006,471.84
  5. Step 5: Solve for x
    x = 9,186,006,471.84/100,522.20
  6. Step 6: Final answer
    x = 91,382.86

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