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Finding the Fourth Proportional to 69,704.61, 104,609.49 and 32,290.92

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Solution

The fourth proportional to 69,704.61, 104,609.49 and 32,290.92 is: 48,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.61 : 104,609.49 = 32,290.92 : x
  2. Step 2: Convert to fraction form
    69,704.61/104,609.49 = 32,290.92/x
  3. Step 3: Cross multiply
    69,704.61x = 104,609.49 × 32,290.92
  4. Step 4: Simplify right side
    69,704.61x = 3,377,936,672.83
  5. Step 5: Solve for x
    x = 3,377,936,672.83/69,704.61
  6. Step 6: Final answer
    x = 48,460.74

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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.