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Finding the Fourth Proportional to 220,196.80, 330,295.20 and 190,672.30

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Solution

The fourth proportional to 220,196.80, 330,295.20 and 190,672.30 is: 286,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,196.80 : 330,295.20 = 190,672.30 : x
  2. Step 2: Convert to fraction form
    220,196.80/330,295.20 = 190,672.30/x
  3. Step 3: Cross multiply
    220,196.80x = 330,295.20 × 190,672.30
  4. Step 4: Simplify right side
    220,196.80x = 62,978,145,462.96
  5. Step 5: Solve for x
    x = 62,978,145,462.96/220,196.80
  6. Step 6: Final answer
    x = 286,008.45

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