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Finding the Fourth Proportional to 174,647.16, 261,751.52 and 74,689.78

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Solution

The fourth proportional to 174,647.16, 261,751.52 and 74,689.78 is: 111,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,647.16 : 261,751.52 = 74,689.78 : x
  2. Step 2: Convert to fraction form
    174,647.16/261,751.52 = 74,689.78/x
  3. Step 3: Cross multiply
    174,647.16x = 261,751.52 × 74,689.78
  4. Step 4: Simplify right side
    174,647.16x = 19,550,163,443.47
  5. Step 5: Solve for x
    x = 19,550,163,443.47/174,647.16
  6. Step 6: Final answer
    x = 111,940.92

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