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Finding the Fourth Proportional to 198,383.67, 297,575.42 and 50,639.67

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Solution

The fourth proportional to 198,383.67, 297,575.42 and 50,639.67 is: 75,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,383.67 : 297,575.42 = 50,639.67 : x
  2. Step 2: Convert to fraction form
    198,383.67/297,575.42 = 50,639.67/x
  3. Step 3: Cross multiply
    198,383.67x = 297,575.42 × 50,639.67
  4. Step 4: Simplify right side
    198,383.67x = 15,069,120,815.71
  5. Step 5: Solve for x
    x = 15,069,120,815.71/198,383.67
  6. Step 6: Final answer
    x = 75,959.48

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1.5x scale

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.