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Finding the Fourth Proportional to 167,866.78, 231,687.21 and 96,247.30

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Solution

The fourth proportional to 167,866.78, 231,687.21 and 96,247.30 is: 132,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,866.78 : 231,687.21 = 96,247.30 : x
  2. Step 2: Convert to fraction form
    167,866.78/231,687.21 = 96,247.30/x
  3. Step 3: Cross multiply
    167,866.78x = 231,687.21 × 96,247.30
  4. Step 4: Simplify right side
    167,866.78x = 22,299,268,407.03
  5. Step 5: Solve for x
    x = 22,299,268,407.03/167,866.78
  6. Step 6: Final answer
    x = 132,839.08

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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.