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Finding the Fourth Proportional to 167,963.99, 231,790.30 and 92,512.49

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Solution

The fourth proportional to 167,963.99, 231,790.30 and 92,512.49 is: 127,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,963.99 : 231,790.30 = 92,512.49 : x
  2. Step 2: Convert to fraction form
    167,963.99/231,790.30 = 92,512.49/x
  3. Step 3: Cross multiply
    167,963.99x = 231,790.30 × 92,512.49
  4. Step 4: Simplify right side
    167,963.99x = 21,443,497,810.85
  5. Step 5: Solve for x
    x = 21,443,497,810.85/167,963.99
  6. Step 6: Final answer
    x = 127,667.23

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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.