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Finding the Fourth Proportional to 80,149.73, 120,248.66 and 23,991.66

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Solution

The fourth proportional to 80,149.73, 120,248.66 and 23,991.66 is: 35,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.73 : 120,248.66 = 23,991.66 : x
  2. Step 2: Convert to fraction form
    80,149.73/120,248.66 = 23,991.66/x
  3. Step 3: Cross multiply
    80,149.73x = 120,248.66 × 23,991.66
  4. Step 4: Simplify right side
    80,149.73x = 2,884,964,846.22
  5. Step 5: Solve for x
    x = 2,884,964,846.22/80,149.73
  6. Step 6: Final answer
    x = 35,994.69

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1.5x scale

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.