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Finding the Fourth Proportional to 247,622.12, 371,512.89 and 112,734.44

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Solution

The fourth proportional to 247,622.12, 371,512.89 and 112,734.44 is: 169,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,622.12 : 371,512.89 = 112,734.44 : x
  2. Step 2: Convert to fraction form
    247,622.12/371,512.89 = 112,734.44/x
  3. Step 3: Cross multiply
    247,622.12x = 371,512.89 × 112,734.44
  4. Step 4: Simplify right side
    247,622.12x = 41,882,297,043.26
  5. Step 5: Solve for x
    x = 41,882,297,043.26/247,622.12
  6. Step 6: Final answer
    x = 169,137.95

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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.