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Finding the Fourth Proportional to 248,694.55, 372,729.85 and 106,372.82

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Solution

The fourth proportional to 248,694.55, 372,729.85 and 106,372.82 is: 159,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,694.55 : 372,729.85 = 106,372.82 : x
  2. Step 2: Convert to fraction form
    248,694.55/372,729.85 = 106,372.82/x
  3. Step 3: Cross multiply
    248,694.55x = 372,729.85 × 106,372.82
  4. Step 4: Simplify right side
    248,694.55x = 39,648,325,242.68
  5. Step 5: Solve for x
    x = 39,648,325,242.68/248,694.55
  6. Step 6: Final answer
    x = 159,425.79

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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.