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Finding the Fourth Proportional to 220,199.70, 330,299.55 and 141,467.70

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Solution

The fourth proportional to 220,199.70, 330,299.55 and 141,467.70 is: 212,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,199.70 : 330,299.55 = 141,467.70 : x
  2. Step 2: Convert to fraction form
    220,199.70/330,299.55 = 141,467.70/x
  3. Step 3: Cross multiply
    220,199.70x = 330,299.55 × 141,467.70
  4. Step 4: Simplify right side
    220,199.70x = 46,726,717,649.54
  5. Step 5: Solve for x
    x = 46,726,717,649.54/220,199.70
  6. Step 6: Final answer
    x = 212,201.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.