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Finding the Fourth Proportional to 267,725.99, 401,590.37 and 90,234.54

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Solution

The fourth proportional to 267,725.99, 401,590.37 and 90,234.54 is: 135,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,725.99 : 401,590.37 = 90,234.54 : x
  2. Step 2: Convert to fraction form
    267,725.99/401,590.37 = 90,234.54/x
  3. Step 3: Cross multiply
    267,725.99x = 401,590.37 × 90,234.54
  4. Step 4: Simplify right side
    267,725.99x = 36,237,322,530.97
  5. Step 5: Solve for x
    x = 36,237,322,530.97/267,725.99
  6. Step 6: Final answer
    x = 135,352.28

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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.