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Finding the Fourth Proportional to 248,633.82, 372,882.46 and 68,676.21

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Solution

The fourth proportional to 248,633.82, 372,882.46 and 68,676.21 is: 102,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,633.82 : 372,882.46 = 68,676.21 : x
  2. Step 2: Convert to fraction form
    248,633.82/372,882.46 = 68,676.21/x
  3. Step 3: Cross multiply
    248,633.82x = 372,882.46 × 68,676.21
  4. Step 4: Simplify right side
    248,633.82x = 25,608,154,128.28
  5. Step 5: Solve for x
    x = 25,608,154,128.28/248,633.82
  6. Step 6: Final answer
    x = 102,995.46

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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.