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Finding the Fourth Proportional to 302.03, 453.02 and 96.56

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Solution

The fourth proportional to 302.03, 453.02 and 96.56 is: 144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.03 : 453.02 = 96.56 : x
  2. Step 2: Convert to fraction form
    302.03/453.02 = 96.56/x
  3. Step 3: Cross multiply
    302.03x = 453.02 × 96.56
  4. Step 4: Simplify right side
    302.03x = 43,740.86
  5. Step 5: Solve for x
    x = 43,740.86/302.03
  6. Step 6: Final answer
    x = 144.83

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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.