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Finding the Fourth Proportional to 248,524.25, 372,786.25 and 71,031.33

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Solution

The fourth proportional to 248,524.25, 372,786.25 and 71,031.33 is: 106,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,524.25 : 372,786.25 = 71,031.33 : x
  2. Step 2: Convert to fraction form
    248,524.25/372,786.25 = 71,031.33/x
  3. Step 3: Cross multiply
    248,524.25x = 372,786.25 × 71,031.33
  4. Step 4: Simplify right side
    248,524.25x = 26,479,503,098.82
  5. Step 5: Solve for x
    x = 26,479,503,098.82/248,524.25
  6. Step 6: Final answer
    x = 106,546.96

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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.