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Finding the Fourth Proportional to 71,168.45, 106,716.83 and 23,766.84

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Solution

The fourth proportional to 71,168.45, 106,716.83 and 23,766.84 is: 35,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,168.45 : 106,716.83 = 23,766.84 : x
  2. Step 2: Convert to fraction form
    71,168.45/106,716.83 = 23,766.84/x
  3. Step 3: Cross multiply
    71,168.45x = 106,716.83 × 23,766.84
  4. Step 4: Simplify right side
    71,168.45x = 2,536,321,705.08
  5. Step 5: Solve for x
    x = 2,536,321,705.08/71,168.45
  6. Step 6: Final answer
    x = 35,638.29

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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.