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Finding the Fourth Proportional to 79,165, 118,799.34 and 29,917

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Solution

The fourth proportional to 79,165, 118,799.34 and 29,917 is: 44,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,165 : 118,799.34 = 29,917 : x
  2. Step 2: Convert to fraction form
    79,165/118,799.34 = 29,917/x
  3. Step 3: Cross multiply
    79,165x = 118,799.34 × 29,917
  4. Step 4: Simplify right side
    79,165x = 3,554,119,854.78
  5. Step 5: Solve for x
    x = 3,554,119,854.78/79,165
  6. Step 6: Final answer
    x = 44,895.09

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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.