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Finding the Fourth Proportional to 299,553,737.60, 449,380,372.80 and 117,806,844.80

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Solution

The fourth proportional to 299,553,737.60, 449,380,372.80 and 117,806,844.80 is: 176,729,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,553,737.60 : 449,380,372.80 = 117,806,844.80 : x
  2. Step 2: Convert to fraction form
    299,553,737.60/449,380,372.80 = 117,806,844.80/x
  3. Step 3: Cross multiply
    299,553,737.60x = 449,380,372.80 × 117,806,844.80
  4. Step 4: Simplify right side
    299,553,737.60x = 52,940,083,834,615,744
  5. Step 5: Solve for x
    x = 52,940,083,834,615,744/299,553,737.60
  6. Step 6: Final answer
    x = 176,729,839.06

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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.