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Finding the Fourth Proportional to 202,603.21, 303,922.07 and 60,439.32

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Solution

The fourth proportional to 202,603.21, 303,922.07 and 60,439.32 is: 90,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,603.21 : 303,922.07 = 60,439.32 : x
  2. Step 2: Convert to fraction form
    202,603.21/303,922.07 = 60,439.32/x
  3. Step 3: Cross multiply
    202,603.21x = 303,922.07 × 60,439.32
  4. Step 4: Simplify right side
    202,603.21x = 18,368,843,243.79
  5. Step 5: Solve for x
    x = 18,368,843,243.79/202,603.21
  6. Step 6: Final answer
    x = 90,664.13

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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.