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Finding the Fourth Proportional to 202,603.30, 303,467.55 and 167,611.30

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Solution

The fourth proportional to 202,603.30, 303,467.55 and 167,611.30 is: 251,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,603.30 : 303,467.55 = 167,611.30 : x
  2. Step 2: Convert to fraction form
    202,603.30/303,467.55 = 167,611.30/x
  3. Step 3: Cross multiply
    202,603.30x = 303,467.55 × 167,611.30
  4. Step 4: Simplify right side
    202,603.30x = 50,864,590,563.32
  5. Step 5: Solve for x
    x = 50,864,590,563.32/202,603.30
  6. Step 6: Final answer
    x = 251,055.09

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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.