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Finding the Fourth Proportional to 167,573, 231,255.18 and 91,097.24

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Solution

The fourth proportional to 167,573, 231,255.18 and 91,097.24 is: 125,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,573 : 231,255.18 = 91,097.24 : x
  2. Step 2: Convert to fraction form
    167,573/231,255.18 = 91,097.24/x
  3. Step 3: Cross multiply
    167,573x = 231,255.18 × 91,097.24
  4. Step 4: Simplify right side
    167,573x = 21,066,708,633.70
  5. Step 5: Solve for x
    x = 21,066,708,633.70/167,573
  6. Step 6: Final answer
    x = 125,716.60

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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.