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Finding the Fourth Proportional to 295.37, 442.80 and 112.67

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Solution

The fourth proportional to 295.37, 442.80 and 112.67 is: 168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.37 : 442.80 = 112.67 : x
  2. Step 2: Convert to fraction form
    295.37/442.80 = 112.67/x
  3. Step 3: Cross multiply
    295.37x = 442.80 × 112.67
  4. Step 4: Simplify right side
    295.37x = 49,888.06
  5. Step 5: Solve for x
    x = 49,888.06/295.37
  6. Step 6: Final answer
    x = 168.90

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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.