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Finding the Fourth Proportional to 148,604.40, 222,906.60 and 55,090.80

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Solution

The fourth proportional to 148,604.40, 222,906.60 and 55,090.80 is: 82,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,604.40 : 222,906.60 = 55,090.80 : x
  2. Step 2: Convert to fraction form
    148,604.40/222,906.60 = 55,090.80/x
  3. Step 3: Cross multiply
    148,604.40x = 222,906.60 × 55,090.80
  4. Step 4: Simplify right side
    148,604.40x = 12,280,102,919.28
  5. Step 5: Solve for x
    x = 12,280,102,919.28/148,604.40
  6. Step 6: Final answer
    x = 82,636.20

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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.