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Finding the Fourth Proportional to 199,099.60, 298,649.40 and 183,893.20

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Solution

The fourth proportional to 199,099.60, 298,649.40 and 183,893.20 is: 275,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,099.60 : 298,649.40 = 183,893.20 : x
  2. Step 2: Convert to fraction form
    199,099.60/298,649.40 = 183,893.20/x
  3. Step 3: Cross multiply
    199,099.60x = 298,649.40 × 183,893.20
  4. Step 4: Simplify right side
    199,099.60x = 54,919,593,844.08
  5. Step 5: Solve for x
    x = 54,919,593,844.08/199,099.60
  6. Step 6: Final answer
    x = 275,839.80

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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.