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Finding the Fourth Proportional to 80,037.30, 120,073.11 and 23,881.82

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Solution

The fourth proportional to 80,037.30, 120,073.11 and 23,881.82 is: 35,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,037.30 : 120,073.11 = 23,881.82 : x
  2. Step 2: Convert to fraction form
    80,037.30/120,073.11 = 23,881.82/x
  3. Step 3: Cross multiply
    80,037.30x = 120,073.11 × 23,881.82
  4. Step 4: Simplify right side
    80,037.30x = 2,867,563,799.49
  5. Step 5: Solve for x
    x = 2,867,563,799.49/80,037.30
  6. Step 6: Final answer
    x = 35,827.84

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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.