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Finding the Fourth Proportional to 112,409.24, 155,111.48 and 67,078.82

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Solution

The fourth proportional to 112,409.24, 155,111.48 and 67,078.82 is: 92,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,409.24 : 155,111.48 = 67,078.82 : x
  2. Step 2: Convert to fraction form
    112,409.24/155,111.48 = 67,078.82/x
  3. Step 3: Cross multiply
    112,409.24x = 155,111.48 × 67,078.82
  4. Step 4: Simplify right side
    112,409.24x = 10,404,695,046.85
  5. Step 5: Solve for x
    x = 10,404,695,046.85/112,409.24
  6. Step 6: Final answer
    x = 92,560.85

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