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Finding the Fourth Proportional to 295.13, 442.75 and 112.54

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Solution

The fourth proportional to 295.13, 442.75 and 112.54 is: 168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.13 : 442.75 = 112.54 : x
  2. Step 2: Convert to fraction form
    295.13/442.75 = 112.54/x
  3. Step 3: Cross multiply
    295.13x = 442.75 × 112.54
  4. Step 4: Simplify right side
    295.13x = 49,827.21
  5. Step 5: Solve for x
    x = 49,827.21/295.13
  6. Step 6: Final answer
    x = 168.83

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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.