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Finding the Fourth Proportional to 79,773.78, 119,610.78 and 29,827.56

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Solution

The fourth proportional to 79,773.78, 119,610.78 and 29,827.56 is: 44,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.78 : 119,610.78 = 29,827.56 : x
  2. Step 2: Convert to fraction form
    79,773.78/119,610.78 = 29,827.56/x
  3. Step 3: Cross multiply
    79,773.78x = 119,610.78 × 29,827.56
  4. Step 4: Simplify right side
    79,773.78x = 3,567,697,717.10
  5. Step 5: Solve for x
    x = 3,567,697,717.10/79,773.78
  6. Step 6: Final answer
    x = 44,722.69

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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.