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Finding the Fourth Proportional to 178,480.80, 267,591.60 and 73,245.60

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Solution

The fourth proportional to 178,480.80, 267,591.60 and 73,245.60 is: 109,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,480.80 : 267,591.60 = 73,245.60 : x
  2. Step 2: Convert to fraction form
    178,480.80/267,591.60 = 73,245.60/x
  3. Step 3: Cross multiply
    178,480.80x = 267,591.60 × 73,245.60
  4. Step 4: Simplify right side
    178,480.80x = 19,599,907,296.96
  5. Step 5: Solve for x
    x = 19,599,907,296.96/178,480.80
  6. Step 6: Final answer
    x = 109,815.21

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1.5x scale

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.