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Finding the Fourth Proportional to 295.08, 442.48 and 112.36

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Solution

The fourth proportional to 295.08, 442.48 and 112.36 is: 168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.08 : 442.48 = 112.36 : x
  2. Step 2: Convert to fraction form
    295.08/442.48 = 112.36/x
  3. Step 3: Cross multiply
    295.08x = 442.48 × 112.36
  4. Step 4: Simplify right side
    295.08x = 49,717.05
  5. Step 5: Solve for x
    x = 49,717.05/295.08
  6. Step 6: Final answer
    x = 168.49

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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.