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Finding the Fourth Proportional to 199,099.60, 299,110.20 and 136,891.60

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Solution

The fourth proportional to 199,099.60, 299,110.20 and 136,891.60 is: 205,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,099.60 : 299,110.20 = 136,891.60 : x
  2. Step 2: Convert to fraction form
    199,099.60/299,110.20 = 136,891.60/x
  3. Step 3: Cross multiply
    199,099.60x = 299,110.20 × 136,891.60
  4. Step 4: Simplify right side
    199,099.60x = 40,945,673,854.32
  5. Step 5: Solve for x
    x = 40,945,673,854.32/199,099.60
  6. Step 6: Final answer
    x = 205,654.22

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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.