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Finding the Fourth Proportional to 302.48, 453.76 and 110.16

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Solution

The fourth proportional to 302.48, 453.76 and 110.16 is: 165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.48 : 453.76 = 110.16 : x
  2. Step 2: Convert to fraction form
    302.48/453.76 = 110.16/x
  3. Step 3: Cross multiply
    302.48x = 453.76 × 110.16
  4. Step 4: Simplify right side
    302.48x = 49,986.20
  5. Step 5: Solve for x
    x = 49,986.20/302.48
  6. Step 6: Final answer
    x = 165.25

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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.