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Finding the Fourth Proportional to 168,951.21, 253,435.20 and 50,611.26

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Solution

The fourth proportional to 168,951.21, 253,435.20 and 50,611.26 is: 75,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,951.21 : 253,435.20 = 50,611.26 : x
  2. Step 2: Convert to fraction form
    168,951.21/253,435.20 = 50,611.26/x
  3. Step 3: Cross multiply
    168,951.21x = 253,435.20 × 50,611.26
  4. Step 4: Simplify right side
    168,951.21x = 12,826,674,800.35
  5. Step 5: Solve for x
    x = 12,826,674,800.35/168,951.21
  6. Step 6: Final answer
    x = 75,919.40

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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.