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Finding the Fourth Proportional to 167,242.56, 230,795.39 and 90,761.64

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Solution

The fourth proportional to 167,242.56, 230,795.39 and 90,761.64 is: 125,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,242.56 : 230,795.39 = 90,761.64 : x
  2. Step 2: Convert to fraction form
    167,242.56/230,795.39 = 90,761.64/x
  3. Step 3: Cross multiply
    167,242.56x = 230,795.39 × 90,761.64
  4. Step 4: Simplify right side
    167,242.56x = 20,947,367,647.03
  5. Step 5: Solve for x
    x = 20,947,367,647.03/167,242.56
  6. Step 6: Final answer
    x = 125,251.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.