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Finding the Fourth Proportional to 135,316.20, 202,974.30 and 56,404.20

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Solution

The fourth proportional to 135,316.20, 202,974.30 and 56,404.20 is: 84,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,316.20 : 202,974.30 = 56,404.20 : x
  2. Step 2: Convert to fraction form
    135,316.20/202,974.30 = 56,404.20/x
  3. Step 3: Cross multiply
    135,316.20x = 202,974.30 × 56,404.20
  4. Step 4: Simplify right side
    135,316.20x = 11,448,603,012.06
  5. Step 5: Solve for x
    x = 11,448,603,012.06/135,316.20
  6. Step 6: Final answer
    x = 84,606.30

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