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Finding the Fourth Proportional to 141,676.29, 195,469.34 and 80,412.48

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Solution

The fourth proportional to 141,676.29, 195,469.34 and 80,412.48 is: 110,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,676.29 : 195,469.34 = 80,412.48 : x
  2. Step 2: Convert to fraction form
    141,676.29/195,469.34 = 80,412.48/x
  3. Step 3: Cross multiply
    141,676.29x = 195,469.34 × 80,412.48
  4. Step 4: Simplify right side
    141,676.29x = 15,718,173,991.30
  5. Step 5: Solve for x
    x = 15,718,173,991.30/141,676.29
  6. Step 6: Final answer
    x = 110,944.28

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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.