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Finding the Fourth Proportional to 99,371.70, 149,025.96 and 32,799.42

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Solution

The fourth proportional to 99,371.70, 149,025.96 and 32,799.42 is: 49,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,371.70 : 149,025.96 = 32,799.42 : x
  2. Step 2: Convert to fraction form
    99,371.70/149,025.96 = 32,799.42/x
  3. Step 3: Cross multiply
    99,371.70x = 149,025.96 × 32,799.42
  4. Step 4: Simplify right side
    99,371.70x = 4,887,965,052.94
  5. Step 5: Solve for x
    x = 4,887,965,052.94/99,371.70
  6. Step 6: Final answer
    x = 49,188.70

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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.