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Finding the Fourth Proportional to 363,609.38, 545,473.15 and 107,467.94

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Solution

The fourth proportional to 363,609.38, 545,473.15 and 107,467.94 is: 161,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,609.38 : 545,473.15 = 107,467.94 : x
  2. Step 2: Convert to fraction form
    363,609.38/545,473.15 = 107,467.94/x
  3. Step 3: Cross multiply
    363,609.38x = 545,473.15 × 107,467.94
  4. Step 4: Simplify right side
    363,609.38x = 58,620,872,759.78
  5. Step 5: Solve for x
    x = 58,620,872,759.78/363,609.38
  6. Step 6: Final answer
    x = 161,219.37

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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.