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Finding the Fourth Proportional to 195.65, 292.93 and 99.26

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Solution

The fourth proportional to 195.65, 292.93 and 99.26 is: 148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.65 : 292.93 = 99.26 : x
  2. Step 2: Convert to fraction form
    195.65/292.93 = 99.26/x
  3. Step 3: Cross multiply
    195.65x = 292.93 × 99.26
  4. Step 4: Simplify right side
    195.65x = 29,076.23
  5. Step 5: Solve for x
    x = 29,076.23/195.65
  6. Step 6: Final answer
    x = 148.61

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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.