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Finding the Fourth Proportional to 299,351.70, 449,027.55 and 88,962.30

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Solution

The fourth proportional to 299,351.70, 449,027.55 and 88,962.30 is: 133,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,351.70 : 449,027.55 = 88,962.30 : x
  2. Step 2: Convert to fraction form
    299,351.70/449,027.55 = 88,962.30/x
  3. Step 3: Cross multiply
    299,351.70x = 449,027.55 × 88,962.30
  4. Step 4: Simplify right side
    299,351.70x = 39,946,523,611.37
  5. Step 5: Solve for x
    x = 39,946,523,611.37/299,351.70
  6. Step 6: Final answer
    x = 133,443.45

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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.