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Finding the Fourth Proportional to 156,955.20, 235,432.80 and 83,227.20

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Solution

The fourth proportional to 156,955.20, 235,432.80 and 83,227.20 is: 124,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.20 : 235,432.80 = 83,227.20 : x
  2. Step 2: Convert to fraction form
    156,955.20/235,432.80 = 83,227.20/x
  3. Step 3: Cross multiply
    156,955.20x = 235,432.80 × 83,227.20
  4. Step 4: Simplify right side
    156,955.20x = 19,594,412,732.16
  5. Step 5: Solve for x
    x = 19,594,412,732.16/156,955.20
  6. Step 6: Final answer
    x = 124,840.80

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