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Finding the Fourth Proportional to 221,973.75, 332,960.76 and 74,229.75

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Solution

The fourth proportional to 221,973.75, 332,960.76 and 74,229.75 is: 111,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,973.75 : 332,960.76 = 74,229.75 : x
  2. Step 2: Convert to fraction form
    221,973.75/332,960.76 = 74,229.75/x
  3. Step 3: Cross multiply
    221,973.75x = 332,960.76 × 74,229.75
  4. Step 4: Simplify right side
    221,973.75x = 24,715,593,974.61
  5. Step 5: Solve for x
    x = 24,715,593,974.61/221,973.75
  6. Step 6: Final answer
    x = 111,344.67

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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.