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Finding the Fourth Proportional to 195.63, 292.83 and 146.59

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Solution

The fourth proportional to 195.63, 292.83 and 146.59 is: 219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.63 : 292.83 = 146.59 : x
  2. Step 2: Convert to fraction form
    195.63/292.83 = 146.59/x
  3. Step 3: Cross multiply
    195.63x = 292.83 × 146.59
  4. Step 4: Simplify right side
    195.63x = 42,923.75
  5. Step 5: Solve for x
    x = 42,923.75/195.63
  6. Step 6: Final answer
    x = 219.42

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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.