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Finding the Fourth Proportional to 302.43, 453.55 and 94.14

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Solution

The fourth proportional to 302.43, 453.55 and 94.14 is: 141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.43 : 453.55 = 94.14 : x
  2. Step 2: Convert to fraction form
    302.43/453.55 = 94.14/x
  3. Step 3: Cross multiply
    302.43x = 453.55 × 94.14
  4. Step 4: Simplify right side
    302.43x = 42,695.86
  5. Step 5: Solve for x
    x = 42,695.86/302.43
  6. Step 6: Final answer
    x = 141.17

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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.