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Finding the Fourth Proportional to 303,105.75, 454,676.85 and 92,745.51

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Solution

The fourth proportional to 303,105.75, 454,676.85 and 92,745.51 is: 139,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,105.75 : 454,676.85 = 92,745.51 : x
  2. Step 2: Convert to fraction form
    303,105.75/454,676.85 = 92,745.51/x
  3. Step 3: Cross multiply
    303,105.75x = 454,676.85 × 92,745.51
  4. Step 4: Simplify right side
    303,105.75x = 42,169,236,338.44
  5. Step 5: Solve for x
    x = 42,169,236,338.44/303,105.75
  6. Step 6: Final answer
    x = 139,123.84

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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.