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Finding the Fourth Proportional to 96,620.67, 144,940.95 and 33,440.72

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Solution

The fourth proportional to 96,620.67, 144,940.95 and 33,440.72 is: 50,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,620.67 : 144,940.95 = 33,440.72 : x
  2. Step 2: Convert to fraction form
    96,620.67/144,940.95 = 33,440.72/x
  3. Step 3: Cross multiply
    96,620.67x = 144,940.95 × 33,440.72
  4. Step 4: Simplify right side
    96,620.67x = 4,846,929,000.78
  5. Step 5: Solve for x
    x = 4,846,929,000.78/96,620.67
  6. Step 6: Final answer
    x = 50,164.51

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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.