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Finding the Fourth Proportional to 57,046.32, 78,744.76 and 34,386.12

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Solution

The fourth proportional to 57,046.32, 78,744.76 and 34,386.12 is: 47,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.32 : 78,744.76 = 34,386.12 : x
  2. Step 2: Convert to fraction form
    57,046.32/78,744.76 = 34,386.12/x
  3. Step 3: Cross multiply
    57,046.32x = 78,744.76 × 34,386.12
  4. Step 4: Simplify right side
    57,046.32x = 2,707,726,766.73
  5. Step 5: Solve for x
    x = 2,707,726,766.73/57,046.32
  6. Step 6: Final answer
    x = 47,465.41

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