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Finding the Fourth Proportional to 68,266.60, 102,399.90 and 50,770.60

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Solution

The fourth proportional to 68,266.60, 102,399.90 and 50,770.60 is: 76,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266.60 : 102,399.90 = 50,770.60 : x
  2. Step 2: Convert to fraction form
    68,266.60/102,399.90 = 50,770.60/x
  3. Step 3: Cross multiply
    68,266.60x = 102,399.90 × 50,770.60
  4. Step 4: Simplify right side
    68,266.60x = 5,198,904,362.94
  5. Step 5: Solve for x
    x = 5,198,904,362.94/68,266.60
  6. Step 6: Final answer
    x = 76,155.90

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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.