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Finding the Fourth Proportional to 200,447.82, 300,729.33 and 95,121.90

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Solution

The fourth proportional to 200,447.82, 300,729.33 and 95,121.90 is: 142,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,447.82 : 300,729.33 = 95,121.90 : x
  2. Step 2: Convert to fraction form
    200,447.82/300,729.33 = 95,121.90/x
  3. Step 3: Cross multiply
    200,447.82x = 300,729.33 × 95,121.90
  4. Step 4: Simplify right side
    200,447.82x = 28,605,945,255.33
  5. Step 5: Solve for x
    x = 28,605,945,255.33/200,447.82
  6. Step 6: Final answer
    x = 142,710.18

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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.