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Finding the Fourth Proportional to 79,125.96, 118,697.02 and 26,540.68

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Solution

The fourth proportional to 79,125.96, 118,697.02 and 26,540.68 is: 39,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.96 : 118,697.02 = 26,540.68 : x
  2. Step 2: Convert to fraction form
    79,125.96/118,697.02 = 26,540.68/x
  3. Step 3: Cross multiply
    79,125.96x = 118,697.02 × 26,540.68
  4. Step 4: Simplify right side
    79,125.96x = 3,150,299,624.77
  5. Step 5: Solve for x
    x = 3,150,299,624.77/79,125.96
  6. Step 6: Final answer
    x = 39,813.73

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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.