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Finding the Fourth Proportional to 202,266.52, 303,453.54 and 69,146.56

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Solution

The fourth proportional to 202,266.52, 303,453.54 and 69,146.56 is: 103,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,266.52 : 303,453.54 = 69,146.56 : x
  2. Step 2: Convert to fraction form
    202,266.52/303,453.54 = 69,146.56/x
  3. Step 3: Cross multiply
    202,266.52x = 303,453.54 × 69,146.56
  4. Step 4: Simplify right side
    202,266.52x = 20,982,768,790.14
  5. Step 5: Solve for x
    x = 20,982,768,790.14/202,266.52
  6. Step 6: Final answer
    x = 103,738.22

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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.