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Finding the Fourth Proportional to 299,971,241.62, 449,548,316.22 and 168,876,046.42

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Solution

The fourth proportional to 299,971,241.62, 449,548,316.22 and 168,876,046.42 is: 253,084,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,971,241.62 : 449,548,316.22 = 168,876,046.42 : x
  2. Step 2: Convert to fraction form
    299,971,241.62/449,548,316.22 = 168,876,046.42/x
  3. Step 3: Cross multiply
    299,971,241.62x = 449,548,316.22 × 168,876,046.42
  4. Step 4: Simplify right side
    299,971,241.62x = 75,917,942,318,001,552
  5. Step 5: Solve for x
    x = 75,917,942,318,001,552/299,971,241.62
  6. Step 6: Final answer
    x = 253,084,068.69

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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.