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Finding the Fourth Proportional to 363,796.62, 545,669.49 and 136,048.92

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Solution

The fourth proportional to 363,796.62, 545,669.49 and 136,048.92 is: 204,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,796.62 : 545,669.49 = 136,048.92 : x
  2. Step 2: Convert to fraction form
    363,796.62/545,669.49 = 136,048.92/x
  3. Step 3: Cross multiply
    363,796.62x = 545,669.49 × 136,048.92
  4. Step 4: Simplify right side
    363,796.62x = 74,237,744,791.45
  5. Step 5: Solve for x
    x = 74,237,744,791.45/363,796.62
  6. Step 6: Final answer
    x = 204,063.87

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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.