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Finding the Fourth Proportional to 79,792.64, 119,693.44 and 35,408.96

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Solution

The fourth proportional to 79,792.64, 119,693.44 and 35,408.96 is: 53,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792.64 : 119,693.44 = 35,408.96 : x
  2. Step 2: Convert to fraction form
    79,792.64/119,693.44 = 35,408.96/x
  3. Step 3: Cross multiply
    79,792.64x = 119,693.44 × 35,408.96
  4. Step 4: Simplify right side
    79,792.64x = 4,238,220,229.22
  5. Step 5: Solve for x
    x = 4,238,220,229.22/79,792.64
  6. Step 6: Final answer
    x = 53,115.43

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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.