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Finding the Fourth Proportional to 79,294.88, 118,942.32 and 26,699.96

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Solution

The fourth proportional to 79,294.88, 118,942.32 and 26,699.96 is: 40,049.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,294.88 : 118,942.32 = 26,699.96 : x
  2. Step 2: Convert to fraction form
    79,294.88/118,942.32 = 26,699.96/x
  3. Step 3: Cross multiply
    79,294.88x = 118,942.32 × 26,699.96
  4. Step 4: Simplify right side
    79,294.88x = 3,175,755,186.31
  5. Step 5: Solve for x
    x = 3,175,755,186.31/79,294.88
  6. Step 6: Final answer
    x = 40,049.94

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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.