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Finding the Fourth Proportional to 227,072.10, 340,608.15 and 192,080.10

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Solution

The fourth proportional to 227,072.10, 340,608.15 and 192,080.10 is: 288,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,072.10 : 340,608.15 = 192,080.10 : x
  2. Step 2: Convert to fraction form
    227,072.10/340,608.15 = 192,080.10/x
  3. Step 3: Cross multiply
    227,072.10x = 340,608.15 × 192,080.10
  4. Step 4: Simplify right side
    227,072.10x = 65,424,047,512.82
  5. Step 5: Solve for x
    x = 65,424,047,512.82/227,072.10
  6. Step 6: Final answer
    x = 288,120.15

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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.