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Finding the Fourth Proportional to 189,080.20, 283,620.30 and 184,414.60

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Solution

The fourth proportional to 189,080.20, 283,620.30 and 184,414.60 is: 276,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,080.20 : 283,620.30 = 184,414.60 : x
  2. Step 2: Convert to fraction form
    189,080.20/283,620.30 = 184,414.60/x
  3. Step 3: Cross multiply
    189,080.20x = 283,620.30 × 184,414.60
  4. Step 4: Simplify right side
    189,080.20x = 52,303,724,176.38
  5. Step 5: Solve for x
    x = 52,303,724,176.38/189,080.20
  6. Step 6: Final answer
    x = 276,621.90

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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.