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Finding the Fourth Proportional to 66,803.73, 100,176.22 and 20,045.67

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Solution

The fourth proportional to 66,803.73, 100,176.22 and 20,045.67 is: 30,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.73 : 100,176.22 = 20,045.67 : x
  2. Step 2: Convert to fraction form
    66,803.73/100,176.22 = 20,045.67/x
  3. Step 3: Cross multiply
    66,803.73x = 100,176.22 × 20,045.67
  4. Step 4: Simplify right side
    66,803.73x = 2,008,099,447.97
  5. Step 5: Solve for x
    x = 2,008,099,447.97/66,803.73
  6. Step 6: Final answer
    x = 30,059.69

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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.