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Finding the Fourth Proportional to 306,080.83, 459,122.33 and 92,850.60

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Solution

The fourth proportional to 306,080.83, 459,122.33 and 92,850.60 is: 139,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,080.83 : 459,122.33 = 92,850.60 : x
  2. Step 2: Convert to fraction form
    306,080.83/459,122.33 = 92,850.60/x
  3. Step 3: Cross multiply
    306,080.83x = 459,122.33 × 92,850.60
  4. Step 4: Simplify right side
    306,080.83x = 42,629,785,245.45
  5. Step 5: Solve for x
    x = 42,629,785,245.45/306,080.83
  6. Step 6: Final answer
    x = 139,276.24

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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.