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Finding the Fourth Proportional to 333,093.89, 499,636.22 and 80,372.27

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Solution

The fourth proportional to 333,093.89, 499,636.22 and 80,372.27 is: 120,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,093.89 : 499,636.22 = 80,372.27 : x
  2. Step 2: Convert to fraction form
    333,093.89/499,636.22 = 80,372.27/x
  3. Step 3: Cross multiply
    333,093.89x = 499,636.22 × 80,372.27
  4. Step 4: Simplify right side
    333,093.89x = 40,156,898,223.78
  5. Step 5: Solve for x
    x = 40,156,898,223.78/333,093.89
  6. Step 6: Final answer
    x = 120,557.29

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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.