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Finding the Fourth Proportional to 33,909,273.60, 50,863,910.40 and 30,214,118.40

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Solution

The fourth proportional to 33,909,273.60, 50,863,910.40 and 30,214,118.40 is: 45,321,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,909,273.60 : 50,863,910.40 = 30,214,118.40 : x
  2. Step 2: Convert to fraction form
    33,909,273.60/50,863,910.40 = 30,214,118.40/x
  3. Step 3: Cross multiply
    33,909,273.60x = 50,863,910.40 × 30,214,118.40
  4. Step 4: Simplify right side
    33,909,273.60x = 1,536,808,211,112,591.25
  5. Step 5: Solve for x
    x = 1,536,808,211,112,591.25/33,909,273.60
  6. Step 6: Final answer
    x = 45,321,177.60

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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.