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Finding the Fourth Proportional to 188,815.20, 283,222.80 and 179,629.80

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Solution

The fourth proportional to 188,815.20, 283,222.80 and 179,629.80 is: 269,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,815.20 : 283,222.80 = 179,629.80 : x
  2. Step 2: Convert to fraction form
    188,815.20/283,222.80 = 179,629.80/x
  3. Step 3: Cross multiply
    188,815.20x = 283,222.80 × 179,629.80
  4. Step 4: Simplify right side
    188,815.20x = 50,875,254,919.44
  5. Step 5: Solve for x
    x = 50,875,254,919.44/188,815.20
  6. Step 6: Final answer
    x = 269,444.70

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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.