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Finding the Fourth Proportional to 221,840.40, 332,760.60 and 133,048.20

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Solution

The fourth proportional to 221,840.40, 332,760.60 and 133,048.20 is: 199,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,840.40 : 332,760.60 = 133,048.20 : x
  2. Step 2: Convert to fraction form
    221,840.40/332,760.60 = 133,048.20/x
  3. Step 3: Cross multiply
    221,840.40x = 332,760.60 × 133,048.20
  4. Step 4: Simplify right side
    221,840.40x = 44,273,198,860.92
  5. Step 5: Solve for x
    x = 44,273,198,860.92/221,840.40
  6. Step 6: Final answer
    x = 199,572.30

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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.