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Finding the Fourth Proportional to 167,198.68, 230,725.02 and 91,741.24

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Solution

The fourth proportional to 167,198.68, 230,725.02 and 91,741.24 is: 126,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,198.68 : 230,725.02 = 91,741.24 : x
  2. Step 2: Convert to fraction form
    167,198.68/230,725.02 = 91,741.24/x
  3. Step 3: Cross multiply
    167,198.68x = 230,725.02 × 91,741.24
  4. Step 4: Simplify right side
    167,198.68x = 21,166,999,433.82
  5. Step 5: Solve for x
    x = 21,166,999,433.82/167,198.68
  6. Step 6: Final answer
    x = 126,597.89

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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.