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Finding the Fourth Proportional to 150,974.80, 226,404.60 and 45,758.80

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Solution

The fourth proportional to 150,974.80, 226,404.60 and 45,758.80 is: 68,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,974.80 : 226,404.60 = 45,758.80 : x
  2. Step 2: Convert to fraction form
    150,974.80/226,404.60 = 45,758.80/x
  3. Step 3: Cross multiply
    150,974.80x = 226,404.60 × 45,758.80
  4. Step 4: Simplify right side
    150,974.80x = 10,360,002,810.48
  5. Step 5: Solve for x
    x = 10,360,002,810.48/150,974.80
  6. Step 6: Final answer
    x = 68,620.74

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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.