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Finding the Fourth Proportional to 179,672.80, 269,703.60 and 100,940.80

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Solution

The fourth proportional to 179,672.80, 269,703.60 and 100,940.80 is: 151,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,672.80 : 269,703.60 = 100,940.80 : x
  2. Step 2: Convert to fraction form
    179,672.80/269,703.60 = 100,940.80/x
  3. Step 3: Cross multiply
    179,672.80x = 269,703.60 × 100,940.80
  4. Step 4: Simplify right side
    179,672.80x = 27,224,097,146.88
  5. Step 5: Solve for x
    x = 27,224,097,146.88/179,672.80
  6. Step 6: Final answer
    x = 151,520.41

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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.