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Finding the Fourth Proportional to 195.29, 292.94 and 51

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Solution

The fourth proportional to 195.29, 292.94 and 51 is: 76.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.29 : 292.94 = 51 : x
  2. Step 2: Convert to fraction form
    195.29/292.94 = 51/x
  3. Step 3: Cross multiply
    195.29x = 292.94 × 51
  4. Step 4: Simplify right side
    195.29x = 14,939.69
  5. Step 5: Solve for x
    x = 14,939.69/195.29
  6. Step 6: Final answer
    x = 76.50

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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.