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Finding the Fourth Proportional to 248,471.37, 372,742.29 and 79,952.54

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Solution

The fourth proportional to 248,471.37, 372,742.29 and 79,952.54 is: 119,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,471.37 : 372,742.29 = 79,952.54 : x
  2. Step 2: Convert to fraction form
    248,471.37/372,742.29 = 79,952.54/x
  3. Step 3: Cross multiply
    248,471.37x = 372,742.29 × 79,952.54
  4. Step 4: Simplify right side
    248,471.37x = 29,801,694,469.52
  5. Step 5: Solve for x
    x = 29,801,694,469.52/248,471.37
  6. Step 6: Final answer
    x = 119,940.15

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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.