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Finding the Fourth Proportional to 337,171.50, 505,757.25 and 87,853.50

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Solution

The fourth proportional to 337,171.50, 505,757.25 and 87,853.50 is: 131,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,171.50 : 505,757.25 = 87,853.50 : x
  2. Step 2: Convert to fraction form
    337,171.50/505,757.25 = 87,853.50/x
  3. Step 3: Cross multiply
    337,171.50x = 505,757.25 × 87,853.50
  4. Step 4: Simplify right side
    337,171.50x = 44,432,544,562.88
  5. Step 5: Solve for x
    x = 44,432,544,562.88/337,171.50
  6. Step 6: Final answer
    x = 131,780.25

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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.