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Finding the Fourth Proportional to 294.03, 441.14 and 131.72

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Solution

The fourth proportional to 294.03, 441.14 and 131.72 is: 197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.03 : 441.14 = 131.72 : x
  2. Step 2: Convert to fraction form
    294.03/441.14 = 131.72/x
  3. Step 3: Cross multiply
    294.03x = 441.14 × 131.72
  4. Step 4: Simplify right side
    294.03x = 58,104.10
  5. Step 5: Solve for x
    x = 58,104.10/294.03
  6. Step 6: Final answer
    x = 197.61

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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.