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Finding the Fourth Proportional to 202,028.87, 303,041.30 and 77,369.87

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Solution

The fourth proportional to 202,028.87, 303,041.30 and 77,369.87 is: 116,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,028.87 : 303,041.30 = 77,369.87 : x
  2. Step 2: Convert to fraction form
    202,028.87/303,041.30 = 77,369.87/x
  3. Step 3: Cross multiply
    202,028.87x = 303,041.30 × 77,369.87
  4. Step 4: Simplify right side
    202,028.87x = 23,446,264,083.58
  5. Step 5: Solve for x
    x = 23,446,264,083.58/202,028.87
  6. Step 6: Final answer
    x = 116,054.03

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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.