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Finding the Fourth Proportional to 202,028.37, 303,040.54 and 77,369.37

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Solution

The fourth proportional to 202,028.37, 303,040.54 and 77,369.37 is: 116,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,028.37 : 303,040.54 = 77,369.37 : x
  2. Step 2: Convert to fraction form
    202,028.37/303,040.54 = 77,369.37/x
  3. Step 3: Cross multiply
    202,028.37x = 303,040.54 × 77,369.37
  4. Step 4: Simplify right side
    202,028.37x = 23,446,055,664.26
  5. Step 5: Solve for x
    x = 23,446,055,664.26/202,028.37
  6. Step 6: Final answer
    x = 116,053.28

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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.