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Finding the Fourth Proportional to 55,888.66, 77,125.97 and 31,694.20

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Solution

The fourth proportional to 55,888.66, 77,125.97 and 31,694.20 is: 43,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888.66 : 77,125.97 = 31,694.20 : x
  2. Step 2: Convert to fraction form
    55,888.66/77,125.97 = 31,694.20/x
  3. Step 3: Cross multiply
    55,888.66x = 77,125.97 × 31,694.20
  4. Step 4: Simplify right side
    55,888.66x = 2,444,445,918.37
  5. Step 5: Solve for x
    x = 2,444,445,918.37/55,888.66
  6. Step 6: Final answer
    x = 43,737.78

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