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Finding the Fourth Proportional to 179,667.20, 269,500.80 and 170,919.20

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Solution

The fourth proportional to 179,667.20, 269,500.80 and 170,919.20 is: 256,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,667.20 : 269,500.80 = 170,919.20 : x
  2. Step 2: Convert to fraction form
    179,667.20/269,500.80 = 170,919.20/x
  3. Step 3: Cross multiply
    179,667.20x = 269,500.80 × 170,919.20
  4. Step 4: Simplify right side
    179,667.20x = 46,062,861,135.36
  5. Step 5: Solve for x
    x = 46,062,861,135.36/179,667.20
  6. Step 6: Final answer
    x = 256,378.80

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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.