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Finding the Fourth Proportional to 160.94, 222.08 and 94.53

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Solution

The fourth proportional to 160.94, 222.08 and 94.53 is: 130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.94 : 222.08 = 94.53 : x
  2. Step 2: Convert to fraction form
    160.94/222.08 = 94.53/x
  3. Step 3: Cross multiply
    160.94x = 222.08 × 94.53
  4. Step 4: Simplify right side
    160.94x = 20,992.75
  5. Step 5: Solve for x
    x = 20,992.75/160.94
  6. Step 6: Final answer
    x = 130.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.