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Finding the Fourth Proportional to 226,393.44, 339,146.42 and 131,424.45

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Solution

The fourth proportional to 226,393.44, 339,146.42 and 131,424.45 is: 196,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,393.44 : 339,146.42 = 131,424.45 : x
  2. Step 2: Convert to fraction form
    226,393.44/339,146.42 = 131,424.45/x
  3. Step 3: Cross multiply
    226,393.44x = 339,146.42 × 131,424.45
  4. Step 4: Simplify right side
    226,393.44x = 44,572,131,060.85
  5. Step 5: Solve for x
    x = 44,572,131,060.85/226,393.44
  6. Step 6: Final answer
    x = 196,879.08

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1.5x scale

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.