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Finding the Fourth Proportional to 198,774.66, 298,133.85 and 63,850.47

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Solution

The fourth proportional to 198,774.66, 298,133.85 and 63,850.47 is: 95,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,774.66 : 298,133.85 = 63,850.47 : x
  2. Step 2: Convert to fraction form
    198,774.66/298,133.85 = 63,850.47/x
  3. Step 3: Cross multiply
    198,774.66x = 298,133.85 × 63,850.47
  4. Step 4: Simplify right side
    198,774.66x = 19,035,986,445.41
  5. Step 5: Solve for x
    x = 19,035,986,445.41/198,774.66
  6. Step 6: Final answer
    x = 95,766.67

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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.