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Finding the Fourth Proportional to 198,097.63, 297,190.18 and 73,438.63

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Solution

The fourth proportional to 198,097.63, 297,190.18 and 73,438.63 is: 110,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,097.63 : 297,190.18 = 73,438.63 : x
  2. Step 2: Convert to fraction form
    198,097.63/297,190.18 = 73,438.63/x
  3. Step 3: Cross multiply
    198,097.63x = 297,190.18 × 73,438.63
  4. Step 4: Simplify right side
    198,097.63x = 21,825,239,668.65
  5. Step 5: Solve for x
    x = 21,825,239,668.65/198,097.63
  6. Step 6: Final answer
    x = 110,174.16

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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.