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Finding the Fourth Proportional to 135,303.52, 186,728.20 and 74,876.72

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Solution

The fourth proportional to 135,303.52, 186,728.20 and 74,876.72 is: 103,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,303.52 : 186,728.20 = 74,876.72 : x
  2. Step 2: Convert to fraction form
    135,303.52/186,728.20 = 74,876.72/x
  3. Step 3: Cross multiply
    135,303.52x = 186,728.20 × 74,876.72
  4. Step 4: Simplify right side
    135,303.52x = 13,981,595,147.50
  5. Step 5: Solve for x
    x = 13,981,595,147.50/135,303.52
  6. Step 6: Final answer
    x = 103,335.04

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