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Finding the Fourth Proportional to 86,572.01, 129,872.34 and 30,397.52

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Solution

The fourth proportional to 86,572.01, 129,872.34 and 30,397.52 is: 45,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,572.01 : 129,872.34 = 30,397.52 : x
  2. Step 2: Convert to fraction form
    86,572.01/129,872.34 = 30,397.52/x
  3. Step 3: Cross multiply
    86,572.01x = 129,872.34 × 30,397.52
  4. Step 4: Simplify right side
    86,572.01x = 3,947,797,052.60
  5. Step 5: Solve for x
    x = 3,947,797,052.60/86,572.01
  6. Step 6: Final answer
    x = 45,601.31

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