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Finding the Fourth Proportional to 196,300.80, 275,443.20 and 196,300.80

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Solution

The fourth proportional to 196,300.80, 275,443.20 and 196,300.80 is: 275,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,300.80 : 275,443.20 = 196,300.80 : x
  2. Step 2: Convert to fraction form
    196,300.80/275,443.20 = 196,300.80/x
  3. Step 3: Cross multiply
    196,300.80x = 275,443.20 × 196,300.80
  4. Step 4: Simplify right side
    196,300.80x = 54,069,720,514.56
  5. Step 5: Solve for x
    x = 54,069,720,514.56/196,300.80
  6. Step 6: Final answer
    x = 275,443.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.