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Finding the Fourth Proportional to 80,266.78, 110,769.33 and 46,274.68

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Solution

The fourth proportional to 80,266.78, 110,769.33 and 46,274.68 is: 63,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,266.78 : 110,769.33 = 46,274.68 : x
  2. Step 2: Convert to fraction form
    80,266.78/110,769.33 = 46,274.68/x
  3. Step 3: Cross multiply
    80,266.78x = 110,769.33 × 46,274.68
  4. Step 4: Simplify right side
    80,266.78x = 5,125,815,299.56
  5. Step 5: Solve for x
    x = 5,125,815,299.56/80,266.78
  6. Step 6: Final answer
    x = 63,859.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.