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Finding the Fourth Proportional to 295.24, 442.68 and 112.56

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Solution

The fourth proportional to 295.24, 442.68 and 112.56 is: 168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.24 : 442.68 = 112.56 : x
  2. Step 2: Convert to fraction form
    295.24/442.68 = 112.56/x
  3. Step 3: Cross multiply
    295.24x = 442.68 × 112.56
  4. Step 4: Simplify right side
    295.24x = 49,828.06
  5. Step 5: Solve for x
    x = 49,828.06/295.24
  6. Step 6: Final answer
    x = 168.77

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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.