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Finding the Fourth Proportional to 221,893.35, 332,923.90 and 133,208.67

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Solution

The fourth proportional to 221,893.35, 332,923.90 and 133,208.67 is: 199,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,893.35 : 332,923.90 = 133,208.67 : x
  2. Step 2: Convert to fraction form
    221,893.35/332,923.90 = 133,208.67/x
  3. Step 3: Cross multiply
    221,893.35x = 332,923.90 × 133,208.67
  4. Step 4: Simplify right side
    221,893.35x = 44,348,349,930.21
  5. Step 5: Solve for x
    x = 44,348,349,930.21/221,893.35
  6. Step 6: Final answer
    x = 199,863.36

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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.