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Finding the Fourth Proportional to 167,290.56, 230,858.10 and 91,838.52

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Solution

The fourth proportional to 167,290.56, 230,858.10 and 91,838.52 is: 126,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,290.56 : 230,858.10 = 91,838.52 : x
  2. Step 2: Convert to fraction form
    167,290.56/230,858.10 = 91,838.52/x
  3. Step 3: Cross multiply
    167,290.56x = 230,858.10 × 91,838.52
  4. Step 4: Simplify right side
    167,290.56x = 21,201,666,234.01
  5. Step 5: Solve for x
    x = 21,201,666,234.01/167,290.56
  6. Step 6: Final answer
    x = 126,735.58

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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.