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Finding the Fourth Proportional to 294.92, 442.46 and 112.47

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Solution

The fourth proportional to 294.92, 442.46 and 112.47 is: 168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.92 : 442.46 = 112.47 : x
  2. Step 2: Convert to fraction form
    294.92/442.46 = 112.47/x
  3. Step 3: Cross multiply
    294.92x = 442.46 × 112.47
  4. Step 4: Simplify right side
    294.92x = 49,763.48
  5. Step 5: Solve for x
    x = 49,763.48/294.92
  6. Step 6: Final answer
    x = 168.74

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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.