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Finding the Fourth Proportional to 79,609.34, 119,410.11 and 29,685.54

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Solution

The fourth proportional to 79,609.34, 119,410.11 and 29,685.54 is: 44,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,609.34 : 119,410.11 = 29,685.54 : x
  2. Step 2: Convert to fraction form
    79,609.34/119,410.11 = 29,685.54/x
  3. Step 3: Cross multiply
    79,609.34x = 119,410.11 × 29,685.54
  4. Step 4: Simplify right side
    79,609.34x = 3,544,753,596.81
  5. Step 5: Solve for x
    x = 3,544,753,596.81/79,609.34
  6. Step 6: Final answer
    x = 44,526.86

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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.