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Finding the Fourth Proportional to 66,556.52, 99,801.48 and 22,167.80

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Solution

The fourth proportional to 66,556.52, 99,801.48 and 22,167.80 is: 33,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556.52 : 99,801.48 = 22,167.80 : x
  2. Step 2: Convert to fraction form
    66,556.52/99,801.48 = 22,167.80/x
  3. Step 3: Cross multiply
    66,556.52x = 99,801.48 × 22,167.80
  4. Step 4: Simplify right side
    66,556.52x = 2,212,379,248.34
  5. Step 5: Solve for x
    x = 2,212,379,248.34/66,556.52
  6. Step 6: Final answer
    x = 33,240.61

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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.