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Finding the Fourth Proportional to 248,213.17, 372,475.28 and 100,469.17

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Solution

The fourth proportional to 248,213.17, 372,475.28 and 100,469.17 is: 150,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,213.17 : 372,475.28 = 100,469.17 : x
  2. Step 2: Convert to fraction form
    248,213.17/372,475.28 = 100,469.17/x
  3. Step 3: Cross multiply
    248,213.17x = 372,475.28 × 100,469.17
  4. Step 4: Simplify right side
    248,213.17x = 37,422,282,227.12
  5. Step 5: Solve for x
    x = 37,422,282,227.12/248,213.17
  6. Step 6: Final answer
    x = 150,766.71

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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.