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Finding the Fourth Proportional to 167,504.76, 231,158.01 and 91,023.84

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Solution

The fourth proportional to 167,504.76, 231,158.01 and 91,023.84 is: 125,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,504.76 : 231,158.01 = 91,023.84 : x
  2. Step 2: Convert to fraction form
    167,504.76/231,158.01 = 91,023.84/x
  3. Step 3: Cross multiply
    167,504.76x = 231,158.01 × 91,023.84
  4. Step 4: Simplify right side
    167,504.76x = 21,040,889,716.96
  5. Step 5: Solve for x
    x = 21,040,889,716.96/167,504.76
  6. Step 6: Final answer
    x = 125,613.68

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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.