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Finding the Fourth Proportional to 167,396.56, 231,011.24 and 91,946.64

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Solution

The fourth proportional to 167,396.56, 231,011.24 and 91,946.64 is: 126,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,396.56 : 231,011.24 = 91,946.64 : x
  2. Step 2: Convert to fraction form
    167,396.56/231,011.24 = 91,946.64/x
  3. Step 3: Cross multiply
    167,396.56x = 231,011.24 × 91,946.64
  4. Step 4: Simplify right side
    167,396.56x = 21,240,707,320.23
  5. Step 5: Solve for x
    x = 21,240,707,320.23/167,396.56
  6. Step 6: Final answer
    x = 126,888.55

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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.