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Finding the Fourth Proportional to 302.57, 453.90 and 110.18

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Solution

The fourth proportional to 302.57, 453.90 and 110.18 is: 165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.57 : 453.90 = 110.18 : x
  2. Step 2: Convert to fraction form
    302.57/453.90 = 110.18/x
  3. Step 3: Cross multiply
    302.57x = 453.90 × 110.18
  4. Step 4: Simplify right side
    302.57x = 50,010.70
  5. Step 5: Solve for x
    x = 50,010.70/302.57
  6. Step 6: Final answer
    x = 165.29

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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.