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Finding the Fourth Proportional to 200,329.74, 300,504.60 and 60,075

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Solution

The fourth proportional to 200,329.74, 300,504.60 and 60,075 is: 90,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,329.74 : 300,504.60 = 60,075 : x
  2. Step 2: Convert to fraction form
    200,329.74/300,504.60 = 60,075/x
  3. Step 3: Cross multiply
    200,329.74x = 300,504.60 × 60,075
  4. Step 4: Simplify right side
    200,329.74x = 18,052,813,845
  5. Step 5: Solve for x
    x = 18,052,813,845/200,329.74
  6. Step 6: Final answer
    x = 90,115.50

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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.