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Finding the Fourth Proportional to 302.06, 452.97 and 107.02

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Solution

The fourth proportional to 302.06, 452.97 and 107.02 is: 160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.06 : 452.97 = 107.02 : x
  2. Step 2: Convert to fraction form
    302.06/452.97 = 107.02/x
  3. Step 3: Cross multiply
    302.06x = 452.97 × 107.02
  4. Step 4: Simplify right side
    302.06x = 48,476.85
  5. Step 5: Solve for x
    x = 48,476.85/302.06
  6. Step 6: Final answer
    x = 160.49

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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.