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Finding the Fourth Proportional to 69,776.46, 104,677.68 and 32,311.80

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Solution

The fourth proportional to 69,776.46, 104,677.68 and 32,311.80 is: 48,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,776.46 : 104,677.68 = 32,311.80 : x
  2. Step 2: Convert to fraction form
    69,776.46/104,677.68 = 32,311.80/x
  3. Step 3: Cross multiply
    69,776.46x = 104,677.68 × 32,311.80
  4. Step 4: Simplify right side
    69,776.46x = 3,382,324,260.62
  5. Step 5: Solve for x
    x = 3,382,324,260.62/69,776.46
  6. Step 6: Final answer
    x = 48,473.72

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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.