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Finding the Fourth Proportional to 302.44, 453.55 and 107.37

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Solution

The fourth proportional to 302.44, 453.55 and 107.37 is: 161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.44 : 453.55 = 107.37 : x
  2. Step 2: Convert to fraction form
    302.44/453.55 = 107.37/x
  3. Step 3: Cross multiply
    302.44x = 453.55 × 107.37
  4. Step 4: Simplify right side
    302.44x = 48,697.66
  5. Step 5: Solve for x
    x = 48,697.66/302.44
  6. Step 6: Final answer
    x = 161.02

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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.