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Finding the Fourth Proportional to 93,633.75, 140,469.16 and 30,449.80

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Solution

The fourth proportional to 93,633.75, 140,469.16 and 30,449.80 is: 45,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,633.75 : 140,469.16 = 30,449.80 : x
  2. Step 2: Convert to fraction form
    93,633.75/140,469.16 = 30,449.80/x
  3. Step 3: Cross multiply
    93,633.75x = 140,469.16 × 30,449.80
  4. Step 4: Simplify right side
    93,633.75x = 4,277,257,675.92
  5. Step 5: Solve for x
    x = 4,277,257,675.92/93,633.75
  6. Step 6: Final answer
    x = 45,680.73

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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.