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Finding the Fourth Proportional to 198,180,010.70, 297,270,016.05 and 198,180,010.70

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Solution

The fourth proportional to 198,180,010.70, 297,270,016.05 and 198,180,010.70 is: 297,270,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,180,010.70 : 297,270,016.05 = 198,180,010.70 : x
  2. Step 2: Convert to fraction form
    198,180,010.70/297,270,016.05 = 198,180,010.70/x
  3. Step 3: Cross multiply
    198,180,010.70x = 297,270,016.05 × 198,180,010.70
  4. Step 4: Simplify right side
    198,180,010.70x = 58,912,974,961,578,168
  5. Step 5: Solve for x
    x = 58,912,974,961,578,168/198,180,010.70
  6. Step 6: Final answer
    x = 297,270,016.05

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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.