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Finding the Fourth Proportional to 133,915.33, 200,884.79 and 49,676.41

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Solution

The fourth proportional to 133,915.33, 200,884.79 and 49,676.41 is: 74,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,915.33 : 200,884.79 = 49,676.41 : x
  2. Step 2: Convert to fraction form
    133,915.33/200,884.79 = 49,676.41/x
  3. Step 3: Cross multiply
    133,915.33x = 200,884.79 × 49,676.41
  4. Step 4: Simplify right side
    133,915.33x = 9,979,235,190.80
  5. Step 5: Solve for x
    x = 9,979,235,190.80/133,915.33
  6. Step 6: Final answer
    x = 74,518.99

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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.