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Finding the Fourth Proportional to 151,245.80, 226,859.10 and 51,405.80

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Solution

The fourth proportional to 151,245.80, 226,859.10 and 51,405.80 is: 77,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,245.80 : 226,859.10 = 51,405.80 : x
  2. Step 2: Convert to fraction form
    151,245.80/226,859.10 = 51,405.80/x
  3. Step 3: Cross multiply
    151,245.80x = 226,859.10 × 51,405.80
  4. Step 4: Simplify right side
    151,245.80x = 11,661,873,522.78
  5. Step 5: Solve for x
    x = 11,661,873,522.78/151,245.80
  6. Step 6: Final answer
    x = 77,105.44

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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.