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Finding the Fourth Proportional to 115,871.26, 173,666.54 and 49,171.28

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Solution

The fourth proportional to 115,871.26, 173,666.54 and 49,171.28 is: 73,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,871.26 : 173,666.54 = 49,171.28 : x
  2. Step 2: Convert to fraction form
    115,871.26/173,666.54 = 49,171.28/x
  3. Step 3: Cross multiply
    115,871.26x = 173,666.54 × 49,171.28
  4. Step 4: Simplify right side
    115,871.26x = 8,539,406,064.97
  5. Step 5: Solve for x
    x = 8,539,406,064.97/115,871.26
  6. Step 6: Final answer
    x = 73,697.36

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