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Finding the Fourth Proportional to 148,144.80, 222,249.60 and 48,309.60

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Solution

The fourth proportional to 148,144.80, 222,249.60 and 48,309.60 is: 72,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,144.80 : 222,249.60 = 48,309.60 : x
  2. Step 2: Convert to fraction form
    148,144.80/222,249.60 = 48,309.60/x
  3. Step 3: Cross multiply
    148,144.80x = 222,249.60 × 48,309.60
  4. Step 4: Simplify right side
    148,144.80x = 10,736,789,276.16
  5. Step 5: Solve for x
    x = 10,736,789,276.16/148,144.80
  6. Step 6: Final answer
    x = 72,474.97

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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.