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Finding the Fourth Proportional to 195.07, 292.65 and 126.67

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Solution

The fourth proportional to 195.07, 292.65 and 126.67 is: 190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.07 : 292.65 = 126.67 : x
  2. Step 2: Convert to fraction form
    195.07/292.65 = 126.67/x
  3. Step 3: Cross multiply
    195.07x = 292.65 × 126.67
  4. Step 4: Simplify right side
    195.07x = 37,069.98
  5. Step 5: Solve for x
    x = 37,069.98/195.07
  6. Step 6: Final answer
    x = 190.03

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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.