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Finding the Fourth Proportional to 33,166.40, 49,749.60 and 30,104.60

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Solution

The fourth proportional to 33,166.40, 49,749.60 and 30,104.60 is: 45,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,166.40 : 49,749.60 = 30,104.60 : x
  2. Step 2: Convert to fraction form
    33,166.40/49,749.60 = 30,104.60/x
  3. Step 3: Cross multiply
    33,166.40x = 49,749.60 × 30,104.60
  4. Step 4: Simplify right side
    33,166.40x = 1,497,691,808.16
  5. Step 5: Solve for x
    x = 1,497,691,808.16/33,166.40
  6. Step 6: Final answer
    x = 45,156.90

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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.