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Finding the Fourth Proportional to 299.94, 450 and 94.53

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Solution

The fourth proportional to 299.94, 450 and 94.53 is: 141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.94 : 450 = 94.53 : x
  2. Step 2: Convert to fraction form
    299.94/450 = 94.53/x
  3. Step 3: Cross multiply
    299.94x = 450 × 94.53
  4. Step 4: Simplify right side
    299.94x = 42,538.50
  5. Step 5: Solve for x
    x = 42,538.50/299.94
  6. Step 6: Final answer
    x = 141.82

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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.