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Finding the Fourth Proportional to 295.10, 442.35 and 112.44

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Solution

The fourth proportional to 295.10, 442.35 and 112.44 is: 168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.10 : 442.35 = 112.44 : x
  2. Step 2: Convert to fraction form
    295.10/442.35 = 112.44/x
  3. Step 3: Cross multiply
    295.10x = 442.35 × 112.44
  4. Step 4: Simplify right side
    295.10x = 49,737.83
  5. Step 5: Solve for x
    x = 49,737.83/295.10
  6. Step 6: Final answer
    x = 168.55

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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.