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Finding the Fourth Proportional to 52,666.47, 78,999.86 and 15,229.59

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Solution

The fourth proportional to 52,666.47, 78,999.86 and 15,229.59 is: 22,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.47 : 78,999.86 = 15,229.59 : x
  2. Step 2: Convert to fraction form
    52,666.47/78,999.86 = 15,229.59/x
  3. Step 3: Cross multiply
    52,666.47x = 78,999.86 × 15,229.59
  4. Step 4: Simplify right side
    52,666.47x = 1,203,135,134.02
  5. Step 5: Solve for x
    x = 1,203,135,134.02/52,666.47
  6. Step 6: Final answer
    x = 22,844.42

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