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Finding the Fourth Proportional to 115,561.02, 173,340.92 and 36,681.32

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Solution

The fourth proportional to 115,561.02, 173,340.92 and 36,681.32 is: 55,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,561.02 : 173,340.92 = 36,681.32 : x
  2. Step 2: Convert to fraction form
    115,561.02/173,340.92 = 36,681.32/x
  3. Step 3: Cross multiply
    115,561.02x = 173,340.92 × 36,681.32
  4. Step 4: Simplify right side
    115,561.02x = 6,358,373,755.61
  5. Step 5: Solve for x
    x = 6,358,373,755.61/115,561.02
  6. Step 6: Final answer
    x = 55,021.79

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