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Finding the Fourth Proportional to 72,553.34, 108,843.93 and 25,166.60

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Solution

The fourth proportional to 72,553.34, 108,843.93 and 25,166.60 is: 37,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,553.34 : 108,843.93 = 25,166.60 : x
  2. Step 2: Convert to fraction form
    72,553.34/108,843.93 = 25,166.60/x
  3. Step 3: Cross multiply
    72,553.34x = 108,843.93 × 25,166.60
  4. Step 4: Simplify right side
    72,553.34x = 2,739,231,648.74
  5. Step 5: Solve for x
    x = 2,739,231,648.74/72,553.34
  6. Step 6: Final answer
    x = 37,754.73

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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.