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Finding the Fourth Proportional to 103,793.99, 155,584.89 and 36,305.91

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Solution

The fourth proportional to 103,793.99, 155,584.89 and 36,305.91 is: 54,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,793.99 : 155,584.89 = 36,305.91 : x
  2. Step 2: Convert to fraction form
    103,793.99/155,584.89 = 36,305.91/x
  3. Step 3: Cross multiply
    103,793.99x = 155,584.89 × 36,305.91
  4. Step 4: Simplify right side
    103,793.99x = 5,648,650,743.85
  5. Step 5: Solve for x
    x = 5,648,650,743.85/103,793.99
  6. Step 6: Final answer
    x = 54,421.75

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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.