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Finding the Fourth Proportional to 66,773.50, 100,016.25 and 62,847.85

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Solution

The fourth proportional to 66,773.50, 100,016.25 and 62,847.85 is: 94,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.50 : 100,016.25 = 62,847.85 : x
  2. Step 2: Convert to fraction form
    66,773.50/100,016.25 = 62,847.85/x
  3. Step 3: Cross multiply
    66,773.50x = 100,016.25 × 62,847.85
  4. Step 4: Simplify right side
    66,773.50x = 6,285,806,277.56
  5. Step 5: Solve for x
    x = 6,285,806,277.56/66,773.50
  6. Step 6: Final answer
    x = 94,136.24

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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.