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Finding the Fourth Proportional to 54,956.97, 75,842.34 and 31,083.18

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Solution

The fourth proportional to 54,956.97, 75,842.34 and 31,083.18 is: 42,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.97 : 75,842.34 = 31,083.18 : x
  2. Step 2: Convert to fraction form
    54,956.97/75,842.34 = 31,083.18/x
  3. Step 3: Cross multiply
    54,956.97x = 75,842.34 × 31,083.18
  4. Step 4: Simplify right side
    54,956.97x = 2,357,421,105.84
  5. Step 5: Solve for x
    x = 2,357,421,105.84/54,956.97
  6. Step 6: Final answer
    x = 42,895.76

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