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Finding the Fourth Proportional to 167,717.70, 231,454.65 and 91,241.10

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Solution

The fourth proportional to 167,717.70, 231,454.65 and 91,241.10 is: 125,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,717.70 : 231,454.65 = 91,241.10 : x
  2. Step 2: Convert to fraction form
    167,717.70/231,454.65 = 91,241.10/x
  3. Step 3: Cross multiply
    167,717.70x = 231,454.65 × 91,241.10
  4. Step 4: Simplify right side
    167,717.70x = 21,118,176,866.12
  5. Step 5: Solve for x
    x = 21,118,176,866.12/167,717.70
  6. Step 6: Final answer
    x = 125,915.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.