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Finding the Fourth Proportional to 104,471.64, 156,725.88 and 33,400.60

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Solution

The fourth proportional to 104,471.64, 156,725.88 and 33,400.60 is: 50,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,471.64 : 156,725.88 = 33,400.60 : x
  2. Step 2: Convert to fraction form
    104,471.64/156,725.88 = 33,400.60/x
  3. Step 3: Cross multiply
    104,471.64x = 156,725.88 × 33,400.60
  4. Step 4: Simplify right side
    104,471.64x = 5,234,738,427.53
  5. Step 5: Solve for x
    x = 5,234,738,427.53/104,471.64
  6. Step 6: Final answer
    x = 50,106.79

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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.