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Finding the Fourth Proportional to 195.01, 292.49 and 64.99

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Solution

The fourth proportional to 195.01, 292.49 and 64.99 is: 97.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.01 : 292.49 = 64.99 : x
  2. Step 2: Convert to fraction form
    195.01/292.49 = 64.99/x
  3. Step 3: Cross multiply
    195.01x = 292.49 × 64.99
  4. Step 4: Simplify right side
    195.01x = 19,008.93
  5. Step 5: Solve for x
    x = 19,008.93/195.01
  6. Step 6: Final answer
    x = 97.48

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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.