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Finding the Fourth Proportional to 242.23, 363.41 and 97.99

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Solution

The fourth proportional to 242.23, 363.41 and 97.99 is: 147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.23 : 363.41 = 97.99 : x
  2. Step 2: Convert to fraction form
    242.23/363.41 = 97.99/x
  3. Step 3: Cross multiply
    242.23x = 363.41 × 97.99
  4. Step 4: Simplify right side
    242.23x = 35,610.55
  5. Step 5: Solve for x
    x = 35,610.55/242.23
  6. Step 6: Final answer
    x = 147.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.