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Finding the Fourth Proportional to 295.06, 442.74 and 112.51

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Solution

The fourth proportional to 295.06, 442.74 and 112.51 is: 168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.06 : 442.74 = 112.51 : x
  2. Step 2: Convert to fraction form
    295.06/442.74 = 112.51/x
  3. Step 3: Cross multiply
    295.06x = 442.74 × 112.51
  4. Step 4: Simplify right side
    295.06x = 49,812.68
  5. Step 5: Solve for x
    x = 49,812.68/295.06
  6. Step 6: Final answer
    x = 168.82

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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.