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Finding the Fourth Proportional to 80,452.60, 120,722.10 and 33,710.20

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Solution

The fourth proportional to 80,452.60, 120,722.10 and 33,710.20 is: 50,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.60 : 120,722.10 = 33,710.20 : x
  2. Step 2: Convert to fraction form
    80,452.60/120,722.10 = 33,710.20/x
  3. Step 3: Cross multiply
    80,452.60x = 120,722.10 × 33,710.20
  4. Step 4: Simplify right side
    80,452.60x = 4,069,566,135.42
  5. Step 5: Solve for x
    x = 4,069,566,135.42/80,452.60
  6. Step 6: Final answer
    x = 50,583.40

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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.