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Finding the Fourth Proportional to 174,778.89, 262,255.41 and 80,008.89

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Solution

The fourth proportional to 174,778.89, 262,255.41 and 80,008.89 is: 120,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,778.89 : 262,255.41 = 80,008.89 : x
  2. Step 2: Convert to fraction form
    174,778.89/262,255.41 = 80,008.89/x
  3. Step 3: Cross multiply
    174,778.89x = 262,255.41 × 80,008.89
  4. Step 4: Simplify right side
    174,778.89x = 20,982,764,250.59
  5. Step 5: Solve for x
    x = 20,982,764,250.59/174,778.89
  6. Step 6: Final answer
    x = 120,053.20

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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.