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Finding the Fourth Proportional to 61,978.77, 92,974.31 and 19,848.27

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Solution

The fourth proportional to 61,978.77, 92,974.31 and 19,848.27 is: 29,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,978.77 : 92,974.31 = 19,848.27 : x
  2. Step 2: Convert to fraction form
    61,978.77/92,974.31 = 19,848.27/x
  3. Step 3: Cross multiply
    61,978.77x = 92,974.31 × 19,848.27
  4. Step 4: Simplify right side
    61,978.77x = 1,845,379,108.70
  5. Step 5: Solve for x
    x = 1,845,379,108.70/61,978.77
  6. Step 6: Final answer
    x = 29,774.37

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