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Finding the Fourth Proportional to 79,910.83, 119,835.06 and 29,963.68

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Solution

The fourth proportional to 79,910.83, 119,835.06 and 29,963.68 is: 44,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,910.83 : 119,835.06 = 29,963.68 : x
  2. Step 2: Convert to fraction form
    79,910.83/119,835.06 = 29,963.68/x
  3. Step 3: Cross multiply
    79,910.83x = 119,835.06 × 29,963.68
  4. Step 4: Simplify right side
    79,910.83x = 3,590,699,390.62
  5. Step 5: Solve for x
    x = 3,590,699,390.62/79,910.83
  6. Step 6: Final answer
    x = 44,933.83

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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.