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Finding the Fourth Proportional to 69,630.98, 104,371.94 and 32,147.42

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Solution

The fourth proportional to 69,630.98, 104,371.94 and 32,147.42 is: 48,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,630.98 : 104,371.94 = 32,147.42 : x
  2. Step 2: Convert to fraction form
    69,630.98/104,371.94 = 32,147.42/x
  3. Step 3: Cross multiply
    69,630.98x = 104,371.94 × 32,147.42
  4. Step 4: Simplify right side
    69,630.98x = 3,355,288,149.90
  5. Step 5: Solve for x
    x = 3,355,288,149.90/69,630.98
  6. Step 6: Final answer
    x = 48,186.72

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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.