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Finding the Fourth Proportional to 161.93, 242.96 and 96.93

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Solution

The fourth proportional to 161.93, 242.96 and 96.93 is: 145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.93 : 242.96 = 96.93 : x
  2. Step 2: Convert to fraction form
    161.93/242.96 = 96.93/x
  3. Step 3: Cross multiply
    161.93x = 242.96 × 96.93
  4. Step 4: Simplify right side
    161.93x = 23,550.11
  5. Step 5: Solve for x
    x = 23,550.11/161.93
  6. Step 6: Final answer
    x = 145.43

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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.