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Finding the Fourth Proportional to 302.30, 453.52 and 119.68

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Solution

The fourth proportional to 302.30, 453.52 and 119.68 is: 179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.30 : 453.52 = 119.68 : x
  2. Step 2: Convert to fraction form
    302.30/453.52 = 119.68/x
  3. Step 3: Cross multiply
    302.30x = 453.52 × 119.68
  4. Step 4: Simplify right side
    302.30x = 54,277.27
  5. Step 5: Solve for x
    x = 54,277.27/302.30
  6. Step 6: Final answer
    x = 179.55

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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.