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Finding the Fourth Proportional to 269,503.80, 371,914.62 and 162,136.14

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Solution

The fourth proportional to 269,503.80, 371,914.62 and 162,136.14 is: 223,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,503.80 : 371,914.62 = 162,136.14 : x
  2. Step 2: Convert to fraction form
    269,503.80/371,914.62 = 162,136.14/x
  3. Step 3: Cross multiply
    269,503.80x = 371,914.62 × 162,136.14
  4. Step 4: Simplify right side
    269,503.80x = 60,300,800,896.37
  5. Step 5: Solve for x
    x = 60,300,800,896.37/269,503.80
  6. Step 6: Final answer
    x = 223,747.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.