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Finding the Fourth Proportional to 150,379.88, 225,575.28 and 50,543.40

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Solution

The fourth proportional to 150,379.88, 225,575.28 and 50,543.40 is: 75,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,379.88 : 225,575.28 = 50,543.40 : x
  2. Step 2: Convert to fraction form
    150,379.88/225,575.28 = 50,543.40/x
  3. Step 3: Cross multiply
    150,379.88x = 225,575.28 × 50,543.40
  4. Step 4: Simplify right side
    150,379.88x = 11,401,341,607.15
  5. Step 5: Solve for x
    x = 11,401,341,607.15/150,379.88
  6. Step 6: Final answer
    x = 75,816.94

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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.