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Finding the Fourth Proportional to 79,271.88, 118,907.82 and 26,676.96

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Solution

The fourth proportional to 79,271.88, 118,907.82 and 26,676.96 is: 40,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,271.88 : 118,907.82 = 26,676.96 : x
  2. Step 2: Convert to fraction form
    79,271.88/118,907.82 = 26,676.96/x
  3. Step 3: Cross multiply
    79,271.88x = 118,907.82 × 26,676.96
  4. Step 4: Simplify right side
    79,271.88x = 3,172,099,157.83
  5. Step 5: Solve for x
    x = 3,172,099,157.83/79,271.88
  6. Step 6: Final answer
    x = 40,015.44

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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.