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Finding the Fourth Proportional to 115,726.48, 173,591.16 and 36,840.40

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Solution

The fourth proportional to 115,726.48, 173,591.16 and 36,840.40 is: 55,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,726.48 : 173,591.16 = 36,840.40 : x
  2. Step 2: Convert to fraction form
    115,726.48/173,591.16 = 36,840.40/x
  3. Step 3: Cross multiply
    115,726.48x = 173,591.16 × 36,840.40
  4. Step 4: Simplify right side
    115,726.48x = 6,395,167,770.86
  5. Step 5: Solve for x
    x = 6,395,167,770.86/115,726.48
  6. Step 6: Final answer
    x = 55,261.06

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