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Finding the Fourth Proportional to 150,758.80, 226,138.20 and 127,139.20

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Solution

The fourth proportional to 150,758.80, 226,138.20 and 127,139.20 is: 190,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,758.80 : 226,138.20 = 127,139.20 : x
  2. Step 2: Convert to fraction form
    150,758.80/226,138.20 = 127,139.20/x
  3. Step 3: Cross multiply
    150,758.80x = 226,138.20 × 127,139.20
  4. Step 4: Simplify right side
    150,758.80x = 28,751,029,837.44
  5. Step 5: Solve for x
    x = 28,751,029,837.44/150,758.80
  6. Step 6: Final answer
    x = 190,708.80

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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.