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Finding the Fourth Proportional to 302.10, 453.07 and 116.97

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Solution

The fourth proportional to 302.10, 453.07 and 116.97 is: 175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.10 : 453.07 = 116.97 : x
  2. Step 2: Convert to fraction form
    302.10/453.07 = 116.97/x
  3. Step 3: Cross multiply
    302.10x = 453.07 × 116.97
  4. Step 4: Simplify right side
    302.10x = 52,994.05
  5. Step 5: Solve for x
    x = 52,994.05/302.10
  6. Step 6: Final answer
    x = 175.42

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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.