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Finding the Fourth Proportional to 179,625.60, 270,021.60 and 127,396.80

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Solution

The fourth proportional to 179,625.60, 270,021.60 and 127,396.80 is: 191,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,625.60 : 270,021.60 = 127,396.80 : x
  2. Step 2: Convert to fraction form
    179,625.60/270,021.60 = 127,396.80/x
  3. Step 3: Cross multiply
    179,625.60x = 270,021.60 × 127,396.80
  4. Step 4: Simplify right side
    179,625.60x = 34,399,887,770.88
  5. Step 5: Solve for x
    x = 34,399,887,770.88/179,625.60
  6. Step 6: Final answer
    x = 191,508.83

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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.