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Finding the Fourth Proportional to 67,114.96, 100,688.82 and 33,396.80

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Solution

The fourth proportional to 67,114.96, 100,688.82 and 33,396.80 is: 50,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,114.96 : 100,688.82 = 33,396.80 : x
  2. Step 2: Convert to fraction form
    67,114.96/100,688.82 = 33,396.80/x
  3. Step 3: Cross multiply
    67,114.96x = 100,688.82 × 33,396.80
  4. Step 4: Simplify right side
    67,114.96x = 3,362,684,383.78
  5. Step 5: Solve for x
    x = 3,362,684,383.78/67,114.96
  6. Step 6: Final answer
    x = 50,103.35

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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.