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Finding the Fourth Proportional to 150,572.13, 225,858.02 and 45,391.10

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Solution

The fourth proportional to 150,572.13, 225,858.02 and 45,391.10 is: 68,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,572.13 : 225,858.02 = 45,391.10 : x
  2. Step 2: Convert to fraction form
    150,572.13/225,858.02 = 45,391.10/x
  3. Step 3: Cross multiply
    150,572.13x = 225,858.02 × 45,391.10
  4. Step 4: Simplify right side
    150,572.13x = 10,251,942,615.38
  5. Step 5: Solve for x
    x = 10,251,942,615.38/150,572.13
  6. Step 6: Final answer
    x = 68,086.59

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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.