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Finding the Fourth Proportional to 111,224.32, 166,816.32 and 44,661.76

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Solution

The fourth proportional to 111,224.32, 166,816.32 and 44,661.76 is: 66,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,224.32 : 166,816.32 = 44,661.76 : x
  2. Step 2: Convert to fraction form
    111,224.32/166,816.32 = 44,661.76/x
  3. Step 3: Cross multiply
    111,224.32x = 166,816.32 × 44,661.76
  4. Step 4: Simplify right side
    111,224.32x = 7,450,310,447.92
  5. Step 5: Solve for x
    x = 7,450,310,447.92/111,224.32
  6. Step 6: Final answer
    x = 66,984.54

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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.