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Finding the Fourth Proportional to 111,764.43, 167,645.16 and 27,525.60

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Solution

The fourth proportional to 111,764.43, 167,645.16 and 27,525.60 is: 41,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,764.43 : 167,645.16 = 27,525.60 : x
  2. Step 2: Convert to fraction form
    111,764.43/167,645.16 = 27,525.60/x
  3. Step 3: Cross multiply
    111,764.43x = 167,645.16 × 27,525.60
  4. Step 4: Simplify right side
    111,764.43x = 4,614,533,616.10
  5. Step 5: Solve for x
    x = 4,614,533,616.10/111,764.43
  6. Step 6: Final answer
    x = 41,288.03

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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.