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Finding the Fourth Proportional to 337,176.75, 505,765.13 and 87,858.75

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Solution

The fourth proportional to 337,176.75, 505,765.13 and 87,858.75 is: 131,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,176.75 : 505,765.13 = 87,858.75 : x
  2. Step 2: Convert to fraction form
    337,176.75/505,765.13 = 87,858.75/x
  3. Step 3: Cross multiply
    337,176.75x = 505,765.13 × 87,858.75
  4. Step 4: Simplify right side
    337,176.75x = 44,435,891,676.09
  5. Step 5: Solve for x
    x = 44,435,891,676.09/337,176.75
  6. Step 6: Final answer
    x = 131,788.13

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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.