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Finding the Fourth Proportional to 202,546.58, 303,632.01 and 69,395.20

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Solution

The fourth proportional to 202,546.58, 303,632.01 and 69,395.20 is: 104,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,546.58 : 303,632.01 = 69,395.20 : x
  2. Step 2: Convert to fraction form
    202,546.58/303,632.01 = 69,395.20/x
  3. Step 3: Cross multiply
    202,546.58x = 303,632.01 × 69,395.20
  4. Step 4: Simplify right side
    202,546.58x = 21,070,603,301.27
  5. Step 5: Solve for x
    x = 21,070,603,301.27/202,546.58
  6. Step 6: Final answer
    x = 104,028.44

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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.