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Finding the Fourth Proportional to 200,367.05, 300,073.53 and 115,949.26

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Solution

The fourth proportional to 200,367.05, 300,073.53 and 115,949.26 is: 173,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,367.05 : 300,073.53 = 115,949.26 : x
  2. Step 2: Convert to fraction form
    200,367.05/300,073.53 = 115,949.26/x
  3. Step 3: Cross multiply
    200,367.05x = 300,073.53 × 115,949.26
  4. Step 4: Simplify right side
    200,367.05x = 34,793,303,749.09
  5. Step 5: Solve for x
    x = 34,793,303,749.09/200,367.05
  6. Step 6: Final answer
    x = 173,647.83

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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.