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Finding the Fourth Proportional to 79,841.31, 119,697.03 and 29,893.44

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Solution

The fourth proportional to 79,841.31, 119,697.03 and 29,893.44 is: 44,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841.31 : 119,697.03 = 29,893.44 : x
  2. Step 2: Convert to fraction form
    79,841.31/119,697.03 = 29,893.44/x
  3. Step 3: Cross multiply
    79,841.31x = 119,697.03 × 29,893.44
  4. Step 4: Simplify right side
    79,841.31x = 3,578,155,984.48
  5. Step 5: Solve for x
    x = 3,578,155,984.48/79,841.31
  6. Step 6: Final answer
    x = 44,815.85

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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.