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Finding the Fourth Proportional to 80,702.33, 120,537.11 and 73,092.24

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Solution

The fourth proportional to 80,702.33, 120,537.11 and 73,092.24 is: 109,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702.33 : 120,537.11 = 73,092.24 : x
  2. Step 2: Convert to fraction form
    80,702.33/120,537.11 = 73,092.24/x
  3. Step 3: Cross multiply
    80,702.33x = 120,537.11 × 73,092.24
  4. Step 4: Simplify right side
    80,702.33x = 8,810,327,555.76
  5. Step 5: Solve for x
    x = 8,810,327,555.76/80,702.33
  6. Step 6: Final answer
    x = 109,170.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.