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Finding the Fourth Proportional to 150,534.36, 225,765 and 50,668.56

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Solution

The fourth proportional to 150,534.36, 225,765 and 50,668.56 is: 75,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,534.36 : 225,765 = 50,668.56 : x
  2. Step 2: Convert to fraction form
    150,534.36/225,765 = 50,668.56/x
  3. Step 3: Cross multiply
    150,534.36x = 225,765 × 50,668.56
  4. Step 4: Simplify right side
    150,534.36x = 11,439,187,448.40
  5. Step 5: Solve for x
    x = 11,439,187,448.40/150,534.36
  6. Step 6: Final answer
    x = 75,990.54

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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.