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Finding the Fourth Proportional to 167,366.74, 230,965.84 and 91,915.24

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Solution

The fourth proportional to 167,366.74, 230,965.84 and 91,915.24 is: 126,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,366.74 : 230,965.84 = 91,915.24 : x
  2. Step 2: Convert to fraction form
    167,366.74/230,965.84 = 91,915.24/x
  3. Step 3: Cross multiply
    167,366.74x = 230,965.84 × 91,915.24
  4. Step 4: Simplify right side
    167,366.74x = 21,229,280,615.40
  5. Step 5: Solve for x
    x = 21,229,280,615.40/167,366.74
  6. Step 6: Final answer
    x = 126,842.89

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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.