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Finding the Fourth Proportional to 195.52, 292.84 and 99.13

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Solution

The fourth proportional to 195.52, 292.84 and 99.13 is: 148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.52 : 292.84 = 99.13 : x
  2. Step 2: Convert to fraction form
    195.52/292.84 = 99.13/x
  3. Step 3: Cross multiply
    195.52x = 292.84 × 99.13
  4. Step 4: Simplify right side
    195.52x = 29,029.23
  5. Step 5: Solve for x
    x = 29,029.23/195.52
  6. Step 6: Final answer
    x = 148.47

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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.