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Finding the Fourth Proportional to 111,381.80, 167,091.42 and 55,224.68

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Solution

The fourth proportional to 111,381.80, 167,091.42 and 55,224.68 is: 82,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,381.80 : 167,091.42 = 55,224.68 : x
  2. Step 2: Convert to fraction form
    111,381.80/167,091.42 = 55,224.68/x
  3. Step 3: Cross multiply
    111,381.80x = 167,091.42 × 55,224.68
  4. Step 4: Simplify right side
    111,381.80x = 9,227,570,200.25
  5. Step 5: Solve for x
    x = 9,227,570,200.25/111,381.80
  6. Step 6: Final answer
    x = 82,846.30

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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.