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Finding the Fourth Proportional to 484,122.72, 725,953.68 and 168,540.96

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Solution

The fourth proportional to 484,122.72, 725,953.68 and 168,540.96 is: 252,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,122.72 : 725,953.68 = 168,540.96 : x
  2. Step 2: Convert to fraction form
    484,122.72/725,953.68 = 168,540.96/x
  3. Step 3: Cross multiply
    484,122.72x = 725,953.68 × 168,540.96
  4. Step 4: Simplify right side
    484,122.72x = 122,352,930,142.73
  5. Step 5: Solve for x
    x = 122,352,930,142.73/484,122.72
  6. Step 6: Final answer
    x = 252,731.23

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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.