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Finding the Fourth Proportional to 86,113.72, 129,177.96 and 23,784.22

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Solution

The fourth proportional to 86,113.72, 129,177.96 and 23,784.22 is: 35,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,113.72 : 129,177.96 = 23,784.22 : x
  2. Step 2: Convert to fraction form
    86,113.72/129,177.96 = 23,784.22/x
  3. Step 3: Cross multiply
    86,113.72x = 129,177.96 × 23,784.22
  4. Step 4: Simplify right side
    86,113.72x = 3,072,397,019.79
  5. Step 5: Solve for x
    x = 3,072,397,019.79/86,113.72
  6. Step 6: Final answer
    x = 35,678.37

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