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Finding the Fourth Proportional to 237,884.64, 356,826.96 and 80,099.88

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Solution

The fourth proportional to 237,884.64, 356,826.96 and 80,099.88 is: 120,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,884.64 : 356,826.96 = 80,099.88 : x
  2. Step 2: Convert to fraction form
    237,884.64/356,826.96 = 80,099.88/x
  3. Step 3: Cross multiply
    237,884.64x = 356,826.96 × 80,099.88
  4. Step 4: Simplify right side
    237,884.64x = 28,581,796,676.76
  5. Step 5: Solve for x
    x = 28,581,796,676.76/237,884.64
  6. Step 6: Final answer
    x = 120,149.82

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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.