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Finding the Fourth Proportional to 248,832.52, 373,248.78 and 82,620.52

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Solution

The fourth proportional to 248,832.52, 373,248.78 and 82,620.52 is: 123,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832.52 : 373,248.78 = 82,620.52 : x
  2. Step 2: Convert to fraction form
    248,832.52/373,248.78 = 82,620.52/x
  3. Step 3: Cross multiply
    248,832.52x = 373,248.78 × 82,620.52
  4. Step 4: Simplify right side
    248,832.52x = 30,838,008,292.97
  5. Step 5: Solve for x
    x = 30,838,008,292.97/248,832.52
  6. Step 6: Final answer
    x = 123,930.78

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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.