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Finding the Fourth Proportional to 72,556.57, 108,553.26 and 63,604.55

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Solution

The fourth proportional to 72,556.57, 108,553.26 and 63,604.55 is: 95,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,556.57 : 108,553.26 = 63,604.55 : x
  2. Step 2: Convert to fraction form
    72,556.57/108,553.26 = 63,604.55/x
  3. Step 3: Cross multiply
    72,556.57x = 108,553.26 × 63,604.55
  4. Step 4: Simplify right side
    72,556.57x = 6,904,481,763.23
  5. Step 5: Solve for x
    x = 6,904,481,763.23/72,556.57
  6. Step 6: Final answer
    x = 95,159.98

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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.