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Finding the Fourth Proportional to 294.99, 442.46 and 112.25

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Solution

The fourth proportional to 294.99, 442.46 and 112.25 is: 168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.99 : 442.46 = 112.25 : x
  2. Step 2: Convert to fraction form
    294.99/442.46 = 112.25/x
  3. Step 3: Cross multiply
    294.99x = 442.46 × 112.25
  4. Step 4: Simplify right side
    294.99x = 49,666.14
  5. Step 5: Solve for x
    x = 49,666.14/294.99
  6. Step 6: Final answer
    x = 168.37

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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.