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Finding the Fourth Proportional to 285,247.22, 427,880.75 and 135,410.32

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Solution

The fourth proportional to 285,247.22, 427,880.75 and 135,410.32 is: 203,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,247.22 : 427,880.75 = 135,410.32 : x
  2. Step 2: Convert to fraction form
    285,247.22/427,880.75 = 135,410.32/x
  3. Step 3: Cross multiply
    285,247.22x = 427,880.75 × 135,410.32
  4. Step 4: Simplify right side
    285,247.22x = 57,939,469,279.34
  5. Step 5: Solve for x
    x = 57,939,469,279.34/285,247.22
  6. Step 6: Final answer
    x = 203,120.19

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