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Finding the Fourth Proportional to 248,301.44, 372,226.24 and 90,493.92

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Solution

The fourth proportional to 248,301.44, 372,226.24 and 90,493.92 is: 135,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,301.44 : 372,226.24 = 90,493.92 : x
  2. Step 2: Convert to fraction form
    248,301.44/372,226.24 = 90,493.92/x
  3. Step 3: Cross multiply
    248,301.44x = 372,226.24 × 90,493.92
  4. Step 4: Simplify right side
    248,301.44x = 33,684,211,584.46
  5. Step 5: Solve for x
    x = 33,684,211,584.46/248,301.44
  6. Step 6: Final answer
    x = 135,658.54

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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.