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Finding the Fourth Proportional to 281,909.52, 422,762.76 and 82,190.16

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Solution

The fourth proportional to 281,909.52, 422,762.76 and 82,190.16 is: 123,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,909.52 : 422,762.76 = 82,190.16 : x
  2. Step 2: Convert to fraction form
    281,909.52/422,762.76 = 82,190.16/x
  3. Step 3: Cross multiply
    281,909.52x = 422,762.76 × 82,190.16
  4. Step 4: Simplify right side
    281,909.52x = 34,746,938,886.44
  5. Step 5: Solve for x
    x = 34,746,938,886.44/281,909.52
  6. Step 6: Final answer
    x = 123,255.64

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