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Finding the Fourth Proportional to 221,992.75, 332,933.73 and 87,084.22

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Solution

The fourth proportional to 221,992.75, 332,933.73 and 87,084.22 is: 130,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,992.75 : 332,933.73 = 87,084.22 : x
  2. Step 2: Convert to fraction form
    221,992.75/332,933.73 = 87,084.22/x
  3. Step 3: Cross multiply
    221,992.75x = 332,933.73 × 87,084.22
  4. Step 4: Simplify right side
    221,992.75x = 28,993,274,188.74
  5. Step 5: Solve for x
    x = 28,993,274,188.74/221,992.75
  6. Step 6: Final answer
    x = 130,604.60

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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.