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Finding the Fourth Proportional to 79,642.33, 119,408.13 and 35,244.86

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Solution

The fourth proportional to 79,642.33, 119,408.13 and 35,244.86 is: 52,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,642.33 : 119,408.13 = 35,244.86 : x
  2. Step 2: Convert to fraction form
    79,642.33/119,408.13 = 35,244.86/x
  3. Step 3: Cross multiply
    79,642.33x = 119,408.13 × 35,244.86
  4. Step 4: Simplify right side
    79,642.33x = 4,208,522,227.67
  5. Step 5: Solve for x
    x = 4,208,522,227.67/79,642.33
  6. Step 6: Final answer
    x = 52,842.78

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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.