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Finding the Fourth Proportional to 192,914.20, 289,025.70 and 165,266.20

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Solution

The fourth proportional to 192,914.20, 289,025.70 and 165,266.20 is: 247,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,914.20 : 289,025.70 = 165,266.20 : x
  2. Step 2: Convert to fraction form
    192,914.20/289,025.70 = 165,266.20/x
  3. Step 3: Cross multiply
    192,914.20x = 289,025.70 × 165,266.20
  4. Step 4: Simplify right side
    192,914.20x = 47,766,179,141.34
  5. Step 5: Solve for x
    x = 47,766,179,141.34/192,914.20
  6. Step 6: Final answer
    x = 247,603.23

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1.5x scale

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.