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Finding the Fourth Proportional to 137,556.73, 206,069.41 and 101,469.61

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Solution

The fourth proportional to 137,556.73, 206,069.41 and 101,469.61 is: 152,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,556.73 : 206,069.41 = 101,469.61 : x
  2. Step 2: Convert to fraction form
    137,556.73/206,069.41 = 101,469.61/x
  3. Step 3: Cross multiply
    137,556.73x = 206,069.41 × 101,469.61
  4. Step 4: Simplify right side
    137,556.73x = 20,909,782,665.63
  5. Step 5: Solve for x
    x = 20,909,782,665.63/137,556.73
  6. Step 6: Final answer
    x = 152,008.43

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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.