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Finding the Fourth Proportional to 80,095.82, 120,142.11 and 23,936.09

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Solution

The fourth proportional to 80,095.82, 120,142.11 and 23,936.09 is: 35,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,095.82 : 120,142.11 = 23,936.09 : x
  2. Step 2: Convert to fraction form
    80,095.82/120,142.11 = 23,936.09/x
  3. Step 3: Cross multiply
    80,095.82x = 120,142.11 × 23,936.09
  4. Step 4: Simplify right side
    80,095.82x = 2,875,732,357.75
  5. Step 5: Solve for x
    x = 2,875,732,357.75/80,095.82
  6. Step 6: Final answer
    x = 35,903.65

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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.