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Finding the Fourth Proportional to 80,325.20, 120,466.20 and 33,568.40

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Solution

The fourth proportional to 80,325.20, 120,466.20 and 33,568.40 is: 50,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.20 : 120,466.20 = 33,568.40 : x
  2. Step 2: Convert to fraction form
    80,325.20/120,466.20 = 33,568.40/x
  3. Step 3: Cross multiply
    80,325.20x = 120,466.20 × 33,568.40
  4. Step 4: Simplify right side
    80,325.20x = 4,043,857,588.08
  5. Step 5: Solve for x
    x = 4,043,857,588.08/80,325.20
  6. Step 6: Final answer
    x = 50,343.57

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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.