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Finding the Fourth Proportional to 73,375.26, 110,047.50 and 20,770.62

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Solution

The fourth proportional to 73,375.26, 110,047.50 and 20,770.62 is: 31,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,375.26 : 110,047.50 = 20,770.62 : x
  2. Step 2: Convert to fraction form
    73,375.26/110,047.50 = 20,770.62/x
  3. Step 3: Cross multiply
    73,375.26x = 110,047.50 × 20,770.62
  4. Step 4: Simplify right side
    73,375.26x = 2,285,754,804.45
  5. Step 5: Solve for x
    x = 2,285,754,804.45/73,375.26
  6. Step 6: Final answer
    x = 31,151.57

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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.