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Finding the Fourth Proportional to 111,630.60, 167,456.70 and 32,745.60

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Solution

The fourth proportional to 111,630.60, 167,456.70 and 32,745.60 is: 49,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,630.60 : 167,456.70 = 32,745.60 : x
  2. Step 2: Convert to fraction form
    111,630.60/167,456.70 = 32,745.60/x
  3. Step 3: Cross multiply
    111,630.60x = 167,456.70 × 32,745.60
  4. Step 4: Simplify right side
    111,630.60x = 5,483,470,115.52
  5. Step 5: Solve for x
    x = 5,483,470,115.52/111,630.60
  6. Step 6: Final answer
    x = 49,121.57

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1.5x scale

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.