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Finding the Fourth Proportional to 221,706.70, 332,560.05 and 133,060.30

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Solution

The fourth proportional to 221,706.70, 332,560.05 and 133,060.30 is: 199,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,706.70 : 332,560.05 = 133,060.30 : x
  2. Step 2: Convert to fraction form
    221,706.70/332,560.05 = 133,060.30/x
  3. Step 3: Cross multiply
    221,706.70x = 332,560.05 × 133,060.30
  4. Step 4: Simplify right side
    221,706.70x = 44,250,540,021.02
  5. Step 5: Solve for x
    x = 44,250,540,021.02/221,706.70
  6. Step 6: Final answer
    x = 199,590.45

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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.