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Finding the Fourth Proportional to 363,071.82, 544,610.42 and 126,414.12

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Solution

The fourth proportional to 363,071.82, 544,610.42 and 126,414.12 is: 189,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,071.82 : 544,610.42 = 126,414.12 : x
  2. Step 2: Convert to fraction form
    363,071.82/544,610.42 = 126,414.12/x
  3. Step 3: Cross multiply
    363,071.82x = 544,610.42 × 126,414.12
  4. Step 4: Simplify right side
    363,071.82x = 68,846,446,355.06
  5. Step 5: Solve for x
    x = 68,846,446,355.06/363,071.82
  6. Step 6: Final answer
    x = 189,622.11

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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.