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Finding the Fourth Proportional to 281,797.44, 422,879.35 and 122,029.39

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Solution

The fourth proportional to 281,797.44, 422,879.35 and 122,029.39 is: 183,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,797.44 : 422,879.35 = 122,029.39 : x
  2. Step 2: Convert to fraction form
    281,797.44/422,879.35 = 122,029.39/x
  3. Step 3: Cross multiply
    281,797.44x = 422,879.35 × 122,029.39
  4. Step 4: Simplify right side
    281,797.44x = 51,603,709,124.10
  5. Step 5: Solve for x
    x = 51,603,709,124.10/281,797.44
  6. Step 6: Final answer
    x = 183,123.41

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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.