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Finding the Fourth Proportional to 61,673.92, 92,433 and 51,409.60

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Solution

The fourth proportional to 61,673.92, 92,433 and 51,409.60 is: 77,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,673.92 : 92,433 = 51,409.60 : x
  2. Step 2: Convert to fraction form
    61,673.92/92,433 = 51,409.60/x
  3. Step 3: Cross multiply
    61,673.92x = 92,433 × 51,409.60
  4. Step 4: Simplify right side
    61,673.92x = 4,751,943,556.80
  5. Step 5: Solve for x
    x = 4,751,943,556.80/61,673.92
  6. Step 6: Final answer
    x = 77,049.48

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