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Finding the Fourth Proportional to 150,958.89, 226,503 and 51,129.63

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Solution

The fourth proportional to 150,958.89, 226,503 and 51,129.63 is: 76,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,958.89 : 226,503 = 51,129.63 : x
  2. Step 2: Convert to fraction form
    150,958.89/226,503 = 51,129.63/x
  3. Step 3: Cross multiply
    150,958.89x = 226,503 × 51,129.63
  4. Step 4: Simplify right side
    150,958.89x = 11,581,014,583.89
  5. Step 5: Solve for x
    x = 11,581,014,583.89/150,958.89
  6. Step 6: Final answer
    x = 76,716.35

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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.