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Finding the Fourth Proportional to 294.66, 442.05 and 112.08

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Solution

The fourth proportional to 294.66, 442.05 and 112.08 is: 168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.66 : 442.05 = 112.08 : x
  2. Step 2: Convert to fraction form
    294.66/442.05 = 112.08/x
  3. Step 3: Cross multiply
    294.66x = 442.05 × 112.08
  4. Step 4: Simplify right side
    294.66x = 49,544.96
  5. Step 5: Solve for x
    x = 49,544.96/294.66
  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.