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Finding the Fourth Proportional to 198,003.90, 277,905.30 and 198,003.90

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Solution

The fourth proportional to 198,003.90, 277,905.30 and 198,003.90 is: 277,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.90 : 277,905.30 = 198,003.90 : x
  2. Step 2: Convert to fraction form
    198,003.90/277,905.30 = 198,003.90/x
  3. Step 3: Cross multiply
    198,003.90x = 277,905.30 × 198,003.90
  4. Step 4: Simplify right side
    198,003.90x = 55,026,333,230.67
  5. Step 5: Solve for x
    x = 55,026,333,230.67/198,003.90
  6. Step 6: Final answer
    x = 277,905.30

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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.