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Finding the Fourth Proportional to 146,745.60, 220,105.60 and 48,249.60

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Solution

The fourth proportional to 146,745.60, 220,105.60 and 48,249.60 is: 72,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,745.60 : 220,105.60 = 48,249.60 : x
  2. Step 2: Convert to fraction form
    146,745.60/220,105.60 = 48,249.60/x
  3. Step 3: Cross multiply
    146,745.60x = 220,105.60 × 48,249.60
  4. Step 4: Simplify right side
    146,745.60x = 10,620,007,157.76
  5. Step 5: Solve for x
    x = 10,620,007,157.76/146,745.60
  6. Step 6: Final answer
    x = 72,370.19

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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.