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Finding the Fourth Proportional to 201,956.98, 302,996.99 and 95,422.74

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Solution

The fourth proportional to 201,956.98, 302,996.99 and 95,422.74 is: 143,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,956.98 : 302,996.99 = 95,422.74 : x
  2. Step 2: Convert to fraction form
    201,956.98/302,996.99 = 95,422.74/x
  3. Step 3: Cross multiply
    201,956.98x = 302,996.99 × 95,422.74
  4. Step 4: Simplify right side
    201,956.98x = 28,912,802,997.55
  5. Step 5: Solve for x
    x = 28,912,802,997.55/201,956.98
  6. Step 6: Final answer
    x = 143,163.18

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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.