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Finding the Fourth Proportional to 179,647.20, 269,470.80 and 170,899.20

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Solution

The fourth proportional to 179,647.20, 269,470.80 and 170,899.20 is: 256,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,647.20 : 269,470.80 = 170,899.20 : x
  2. Step 2: Convert to fraction form
    179,647.20/269,470.80 = 170,899.20/x
  3. Step 3: Cross multiply
    179,647.20x = 269,470.80 × 170,899.20
  4. Step 4: Simplify right side
    179,647.20x = 46,052,344,143.36
  5. Step 5: Solve for x
    x = 46,052,344,143.36/179,647.20
  6. Step 6: Final answer
    x = 256,348.80

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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.