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Finding the Fourth Proportional to 150,661.73, 225,986.12 and 45,477.56

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Solution

The fourth proportional to 150,661.73, 225,986.12 and 45,477.56 is: 68,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,661.73 : 225,986.12 = 45,477.56 : x
  2. Step 2: Convert to fraction form
    150,661.73/225,986.12 = 45,477.56/x
  3. Step 3: Cross multiply
    150,661.73x = 225,986.12 × 45,477.56
  4. Step 4: Simplify right side
    150,661.73x = 10,277,297,839.59
  5. Step 5: Solve for x
    x = 10,277,297,839.59/150,661.73
  6. Step 6: Final answer
    x = 68,214.39

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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.