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Finding the Fourth Proportional to 100,760.31, 151,141.01 and 30,639.42

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Solution

The fourth proportional to 100,760.31, 151,141.01 and 30,639.42 is: 45,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,760.31 : 151,141.01 = 30,639.42 : x
  2. Step 2: Convert to fraction form
    100,760.31/151,141.01 = 30,639.42/x
  3. Step 3: Cross multiply
    100,760.31x = 151,141.01 × 30,639.42
  4. Step 4: Simplify right side
    100,760.31x = 4,630,872,731.42
  5. Step 5: Solve for x
    x = 4,630,872,731.42/100,760.31
  6. Step 6: Final answer
    x = 45,959.29

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