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Finding the Fourth Proportional to 292.93, 439.47 and 97.96

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Solution

The fourth proportional to 292.93, 439.47 and 97.96 is: 146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.93 : 439.47 = 97.96 : x
  2. Step 2: Convert to fraction form
    292.93/439.47 = 97.96/x
  3. Step 3: Cross multiply
    292.93x = 439.47 × 97.96
  4. Step 4: Simplify right side
    292.93x = 43,049.14
  5. Step 5: Solve for x
    x = 43,049.14/292.93
  6. Step 6: Final answer
    x = 146.96

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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.