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Finding the Fourth Proportional to 198,021.86, 296,914.17 and 63,027.62

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Solution

The fourth proportional to 198,021.86, 296,914.17 and 63,027.62 is: 94,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,021.86 : 296,914.17 = 63,027.62 : x
  2. Step 2: Convert to fraction form
    198,021.86/296,914.17 = 63,027.62/x
  3. Step 3: Cross multiply
    198,021.86x = 296,914.17 × 63,027.62
  4. Step 4: Simplify right side
    198,021.86x = 18,713,792,737.09
  5. Step 5: Solve for x
    x = 18,713,792,737.09/198,021.86
  6. Step 6: Final answer
    x = 94,503.67

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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.