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Finding the Fourth Proportional to 80,093.76, 120,139.11 and 23,934.03

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Solution

The fourth proportional to 80,093.76, 120,139.11 and 23,934.03 is: 35,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,093.76 : 120,139.11 = 23,934.03 : x
  2. Step 2: Convert to fraction form
    80,093.76/120,139.11 = 23,934.03/x
  3. Step 3: Cross multiply
    80,093.76x = 120,139.11 × 23,934.03
  4. Step 4: Simplify right side
    80,093.76x = 2,875,413,062.91
  5. Step 5: Solve for x
    x = 2,875,413,062.91/80,093.76
  6. Step 6: Final answer
    x = 35,900.59

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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.