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Finding the Fourth Proportional to 295.18, 442.47 and 112.53

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Solution

The fourth proportional to 295.18, 442.47 and 112.53 is: 168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.18 : 442.47 = 112.53 : x
  2. Step 2: Convert to fraction form
    295.18/442.47 = 112.53/x
  3. Step 3: Cross multiply
    295.18x = 442.47 × 112.53
  4. Step 4: Simplify right side
    295.18x = 49,791.15
  5. Step 5: Solve for x
    x = 49,791.15/295.18
  6. Step 6: Final answer
    x = 168.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.