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Finding the Fourth Proportional to 111,346.56, 167,029.44 and 28,240.56

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Solution

The fourth proportional to 111,346.56, 167,029.44 and 28,240.56 is: 42,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,346.56 : 167,029.44 = 28,240.56 : x
  2. Step 2: Convert to fraction form
    111,346.56/167,029.44 = 28,240.56/x
  3. Step 3: Cross multiply
    111,346.56x = 167,029.44 × 28,240.56
  4. Step 4: Simplify right side
    111,346.56x = 4,717,004,922.09
  5. Step 5: Solve for x
    x = 4,717,004,922.09/111,346.56
  6. Step 6: Final answer
    x = 42,363.27

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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.