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Finding the Fourth Proportional to 294.84, 442.08 and 112.14

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Solution

The fourth proportional to 294.84, 442.08 and 112.14 is: 168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.84 : 442.08 = 112.14 : x
  2. Step 2: Convert to fraction form
    294.84/442.08 = 112.14/x
  3. Step 3: Cross multiply
    294.84x = 442.08 × 112.14
  4. Step 4: Simplify right side
    294.84x = 49,574.85
  5. Step 5: Solve for x
    x = 49,574.85/294.84
  6. Step 6: Final answer
    x = 168.14

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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.