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Finding the Fourth Proportional to 111,196.80, 166,816.80 and 48,016.80

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Solution

The fourth proportional to 111,196.80, 166,816.80 and 48,016.80 is: 72,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,196.80 : 166,816.80 = 48,016.80 : x
  2. Step 2: Convert to fraction form
    111,196.80/166,816.80 = 48,016.80/x
  3. Step 3: Cross multiply
    111,196.80x = 166,816.80 × 48,016.80
  4. Step 4: Simplify right side
    111,196.80x = 8,010,008,922.24
  5. Step 5: Solve for x
    x = 8,010,008,922.24/111,196.80
  6. Step 6: Final answer
    x = 72,034.53

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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.