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Finding the Fourth Proportional to 141,461.67, 195,169.28 and 80,201.29

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Solution

The fourth proportional to 141,461.67, 195,169.28 and 80,201.29 is: 110,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,461.67 : 195,169.28 = 80,201.29 : x
  2. Step 2: Convert to fraction form
    141,461.67/195,169.28 = 80,201.29/x
  3. Step 3: Cross multiply
    141,461.67x = 195,169.28 × 80,201.29
  4. Step 4: Simplify right side
    141,461.67x = 15,652,826,647.52
  5. Step 5: Solve for x
    x = 15,652,826,647.52/141,461.67
  6. Step 6: Final answer
    x = 110,650.66

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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.