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Finding the Fourth Proportional to 133,074.69, 199,644.78 and 39,580.44

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Solution

The fourth proportional to 133,074.69, 199,644.78 and 39,580.44 is: 59,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.69 : 199,644.78 = 39,580.44 : x
  2. Step 2: Convert to fraction form
    133,074.69/199,644.78 = 39,580.44/x
  3. Step 3: Cross multiply
    133,074.69x = 199,644.78 × 39,580.44
  4. Step 4: Simplify right side
    133,074.69x = 7,902,028,236.10
  5. Step 5: Solve for x
    x = 7,902,028,236.10/133,074.69
  6. Step 6: Final answer
    x = 59,380.40

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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.