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Finding the Fourth Proportional to 248,575.28, 372,799.92 and 71,083.04

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Solution

The fourth proportional to 248,575.28, 372,799.92 and 71,083.04 is: 106,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,575.28 : 372,799.92 = 71,083.04 : x
  2. Step 2: Convert to fraction form
    248,575.28/372,799.92 = 71,083.04/x
  3. Step 3: Cross multiply
    248,575.28x = 372,799.92 × 71,083.04
  4. Step 4: Simplify right side
    248,575.28x = 26,499,751,625.36
  5. Step 5: Solve for x
    x = 26,499,751,625.36/248,575.28
  6. Step 6: Final answer
    x = 106,606.54

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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.