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Finding the Fourth Proportional to 79,363.67, 109,523.67 and 43,555.97

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Solution

The fourth proportional to 79,363.67, 109,523.67 and 43,555.97 is: 60,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,363.67 : 109,523.67 = 43,555.97 : x
  2. Step 2: Convert to fraction form
    79,363.67/109,523.67 = 43,555.97/x
  3. Step 3: Cross multiply
    79,363.67x = 109,523.67 × 43,555.97
  4. Step 4: Simplify right side
    79,363.67x = 4,770,409,958.62
  5. Step 5: Solve for x
    x = 4,770,409,958.62/79,363.67
  6. Step 6: Final answer
    x = 60,108.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.