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Finding the Fourth Proportional to 198,090.30, 277,851.30 and 198,090.30

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Solution

The fourth proportional to 198,090.30, 277,851.30 and 198,090.30 is: 277,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,090.30 : 277,851.30 = 198,090.30 : x
  2. Step 2: Convert to fraction form
    198,090.30/277,851.30 = 198,090.30/x
  3. Step 3: Cross multiply
    198,090.30x = 277,851.30 × 198,090.30
  4. Step 4: Simplify right side
    198,090.30x = 55,039,647,372.39
  5. Step 5: Solve for x
    x = 55,039,647,372.39/198,090.30
  6. Step 6: Final answer
    x = 277,851.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.