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Finding the Fourth Proportional to 248,506.44, 372,720.78 and 82,294.44

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Solution

The fourth proportional to 248,506.44, 372,720.78 and 82,294.44 is: 123,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,506.44 : 372,720.78 = 82,294.44 : x
  2. Step 2: Convert to fraction form
    248,506.44/372,720.78 = 82,294.44/x
  3. Step 3: Cross multiply
    248,506.44x = 372,720.78 × 82,294.44
  4. Step 4: Simplify right side
    248,506.44x = 30,672,847,866.46
  5. Step 5: Solve for x
    x = 30,672,847,866.46/248,506.44
  6. Step 6: Final answer
    x = 123,428.78

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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.