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Finding the Fourth Proportional to 61,910.56, 92,866.08 and 15,163.44

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Solution

The fourth proportional to 61,910.56, 92,866.08 and 15,163.44 is: 22,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,910.56 : 92,866.08 = 15,163.44 : x
  2. Step 2: Convert to fraction form
    61,910.56/92,866.08 = 15,163.44/x
  3. Step 3: Cross multiply
    61,910.56x = 92,866.08 × 15,163.44
  4. Step 4: Simplify right side
    61,910.56x = 1,408,169,232.12
  5. Step 5: Solve for x
    x = 1,408,169,232.12/61,910.56
  6. Step 6: Final answer
    x = 22,745.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.