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Finding the Fourth Proportional to 79,493.78, 119,233.38 and 26,897.24

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Solution

The fourth proportional to 79,493.78, 119,233.38 and 26,897.24 is: 40,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,493.78 : 119,233.38 = 26,897.24 : x
  2. Step 2: Convert to fraction form
    79,493.78/119,233.38 = 26,897.24/x
  3. Step 3: Cross multiply
    79,493.78x = 119,233.38 × 26,897.24
  4. Step 4: Simplify right side
    79,493.78x = 3,207,048,837.87
  5. Step 5: Solve for x
    x = 3,207,048,837.87/79,493.78
  6. Step 6: Final answer
    x = 40,343.39

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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.