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Finding the Fourth Proportional to 198,427.32, 297,247.32 and 92,926.44

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Solution

The fourth proportional to 198,427.32, 297,247.32 and 92,926.44 is: 139,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427.32 : 297,247.32 = 92,926.44 : x
  2. Step 2: Convert to fraction form
    198,427.32/297,247.32 = 92,926.44/x
  3. Step 3: Cross multiply
    198,427.32x = 297,247.32 × 92,926.44
  4. Step 4: Simplify right side
    198,427.32x = 27,622,135,247.14
  5. Step 5: Solve for x
    x = 27,622,135,247.14/198,427.32
  6. Step 6: Final answer
    x = 139,205.30

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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.