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Finding the Fourth Proportional to 69,997.85, 104,922.50 and 34,408.98

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Solution

The fourth proportional to 69,997.85, 104,922.50 and 34,408.98 is: 51,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.85 : 104,922.50 = 34,408.98 : x
  2. Step 2: Convert to fraction form
    69,997.85/104,922.50 = 34,408.98/x
  3. Step 3: Cross multiply
    69,997.85x = 104,922.50 × 34,408.98
  4. Step 4: Simplify right side
    69,997.85x = 3,610,276,204.05
  5. Step 5: Solve for x
    x = 3,610,276,204.05/69,997.85
  6. Step 6: Final answer
    x = 51,576.96

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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.