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Finding the Fourth Proportional to 167,682.48, 231,399.48 and 91,199.91

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Solution

The fourth proportional to 167,682.48, 231,399.48 and 91,199.91 is: 125,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,682.48 : 231,399.48 = 91,199.91 : x
  2. Step 2: Convert to fraction form
    167,682.48/231,399.48 = 91,199.91/x
  3. Step 3: Cross multiply
    167,682.48x = 231,399.48 × 91,199.91
  4. Step 4: Simplify right side
    167,682.48x = 21,103,611,750.05
  5. Step 5: Solve for x
    x = 21,103,611,750.05/167,682.48
  6. Step 6: Final answer
    x = 125,854.60

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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.