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Finding the Fourth Proportional to 299,711,996.80, 449,580,436.80 and 95,234,300.80

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Solution

The fourth proportional to 299,711,996.80, 449,580,436.80 and 95,234,300.80 is: 142,855,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,711,996.80 : 449,580,436.80 = 95,234,300.80 : x
  2. Step 2: Convert to fraction form
    299,711,996.80/449,580,436.80 = 95,234,300.80/x
  3. Step 3: Cross multiply
    299,711,996.80x = 449,580,436.80 × 95,234,300.80
  4. Step 4: Simplify right side
    299,711,996.80x = 42,815,478,552,006,592
  5. Step 5: Solve for x
    x = 42,815,478,552,006,592/299,711,996.80
  6. Step 6: Final answer
    x = 142,855,404.55

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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.