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Finding the Fourth Proportional to 185,627.28, 256,158.78 and 100,742.52

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Solution

The fourth proportional to 185,627.28, 256,158.78 and 100,742.52 is: 139,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,627.28 : 256,158.78 = 100,742.52 : x
  2. Step 2: Convert to fraction form
    185,627.28/256,158.78 = 100,742.52/x
  3. Step 3: Cross multiply
    185,627.28x = 256,158.78 × 100,742.52
  4. Step 4: Simplify right side
    185,627.28x = 25,806,081,017.33
  5. Step 5: Solve for x
    x = 25,806,081,017.33/185,627.28
  6. Step 6: Final answer
    x = 139,020.95

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