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Finding the Fourth Proportional to 192,914.70, 289,026.45 and 165,266.70

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Solution

The fourth proportional to 192,914.70, 289,026.45 and 165,266.70 is: 247,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,914.70 : 289,026.45 = 165,266.70 : x
  2. Step 2: Convert to fraction form
    192,914.70/289,026.45 = 165,266.70/x
  3. Step 3: Cross multiply
    192,914.70x = 289,026.45 × 165,266.70
  4. Step 4: Simplify right side
    192,914.70x = 47,766,447,604.22
  5. Step 5: Solve for x
    x = 47,766,447,604.22/192,914.70
  6. Step 6: Final answer
    x = 247,603.98

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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.