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Finding the Fourth Proportional to 198,160,672.20, 297,241,008.30 and 198,160,672.20

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Solution

The fourth proportional to 198,160,672.20, 297,241,008.30 and 198,160,672.20 is: 297,241,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,160,672.20 : 297,241,008.30 = 198,160,672.20 : x
  2. Step 2: Convert to fraction form
    198,160,672.20/297,241,008.30 = 198,160,672.20/x
  3. Step 3: Cross multiply
    198,160,672.20x = 297,241,008.30 × 198,160,672.20
  4. Step 4: Simplify right side
    198,160,672.20x = 58,901,478,010,133,776
  5. Step 5: Solve for x
    x = 58,901,478,010,133,776/198,160,672.20
  6. Step 6: Final answer
    x = 297,241,008.30

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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.