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Finding the Fourth Proportional to 179,674.80, 269,706.60 and 100,942.80

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Solution

The fourth proportional to 179,674.80, 269,706.60 and 100,942.80 is: 151,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,674.80 : 269,706.60 = 100,942.80 : x
  2. Step 2: Convert to fraction form
    179,674.80/269,706.60 = 100,942.80/x
  3. Step 3: Cross multiply
    179,674.80x = 269,706.60 × 100,942.80
  4. Step 4: Simplify right side
    179,674.80x = 27,224,939,382.48
  5. Step 5: Solve for x
    x = 27,224,939,382.48/179,674.80
  6. Step 6: Final answer
    x = 151,523.42

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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.