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Finding the Fourth Proportional to 61,400.88, 92,104.56 and 19,851.12

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Solution

The fourth proportional to 61,400.88, 92,104.56 and 19,851.12 is: 29,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.88 : 92,104.56 = 19,851.12 : x
  2. Step 2: Convert to fraction form
    61,400.88/92,104.56 = 19,851.12/x
  3. Step 3: Cross multiply
    61,400.88x = 92,104.56 × 19,851.12
  4. Step 4: Simplify right side
    61,400.88x = 1,828,378,673.11
  5. Step 5: Solve for x
    x = 1,828,378,673.11/61,400.88
  6. Step 6: Final answer
    x = 29,777.73

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