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Finding the Fourth Proportional to 201,204,583.20, 301,806,874.80 and 193,551,832.80

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Solution

The fourth proportional to 201,204,583.20, 301,806,874.80 and 193,551,832.80 is: 290,327,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,583.20 : 301,806,874.80 = 193,551,832.80 : x
  2. Step 2: Convert to fraction form
    201,204,583.20/301,806,874.80 = 193,551,832.80/x
  3. Step 3: Cross multiply
    201,204,583.20x = 301,806,874.80 × 193,551,832.80
  4. Step 4: Simplify right side
    201,204,583.20x = 58,415,273,769,180,136
  5. Step 5: Solve for x
    x = 58,415,273,769,180,136/201,204,583.20
  6. Step 6: Final answer
    x = 290,327,749.20

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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.