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Finding the Fourth Proportional to 167,584.56, 231,268.02 and 91,103.64

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Solution

The fourth proportional to 167,584.56, 231,268.02 and 91,103.64 is: 125,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,584.56 : 231,268.02 = 91,103.64 : x
  2. Step 2: Convert to fraction form
    167,584.56/231,268.02 = 91,103.64/x
  3. Step 3: Cross multiply
    167,584.56x = 231,268.02 × 91,103.64
  4. Step 4: Simplify right side
    167,584.56x = 21,069,358,437.59
  5. Step 5: Solve for x
    x = 21,069,358,437.59/167,584.56
  6. Step 6: Final answer
    x = 125,723.74

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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.