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Finding the Fourth Proportional to 108,651.45, 163,000.26 and 33,769.78

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Solution

The fourth proportional to 108,651.45, 163,000.26 and 33,769.78 is: 50,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,651.45 : 163,000.26 = 33,769.78 : x
  2. Step 2: Convert to fraction form
    108,651.45/163,000.26 = 33,769.78/x
  3. Step 3: Cross multiply
    108,651.45x = 163,000.26 × 33,769.78
  4. Step 4: Simplify right side
    108,651.45x = 5,504,482,920.14
  5. Step 5: Solve for x
    x = 5,504,482,920.14/108,651.45
  6. Step 6: Final answer
    x = 50,661.85

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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.