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Finding the Fourth Proportional to 201,063.88, 301,606.20 and 51,305.48

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Solution

The fourth proportional to 201,063.88, 301,606.20 and 51,305.48 is: 76,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,063.88 : 301,606.20 = 51,305.48 : x
  2. Step 2: Convert to fraction form
    201,063.88/301,606.20 = 51,305.48/x
  3. Step 3: Cross multiply
    201,063.88x = 301,606.20 × 51,305.48
  4. Step 4: Simplify right side
    201,063.88x = 15,474,050,861.98
  5. Step 5: Solve for x
    x = 15,474,050,861.98/201,063.88
  6. Step 6: Final answer
    x = 76,960.87

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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.