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Finding the Fourth Proportional to 80,481.59, 120,564.55 and 46,676.59

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Solution

The fourth proportional to 80,481.59, 120,564.55 and 46,676.59 is: 69,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,481.59 : 120,564.55 = 46,676.59 : x
  2. Step 2: Convert to fraction form
    80,481.59/120,564.55 = 46,676.59/x
  3. Step 3: Cross multiply
    80,481.59x = 120,564.55 × 46,676.59
  4. Step 4: Simplify right side
    80,481.59x = 5,627,541,349.37
  5. Step 5: Solve for x
    x = 5,627,541,349.37/80,481.59
  6. Step 6: Final answer
    x = 69,923.34

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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.