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Finding the Fourth Proportional to 167,891.40, 251,837.10 and 166,141.80

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Solution

The fourth proportional to 167,891.40, 251,837.10 and 166,141.80 is: 249,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,891.40 : 251,837.10 = 166,141.80 : x
  2. Step 2: Convert to fraction form
    167,891.40/251,837.10 = 166,141.80/x
  3. Step 3: Cross multiply
    167,891.40x = 251,837.10 × 166,141.80
  4. Step 4: Simplify right side
    167,891.40x = 41,840,669,100.78
  5. Step 5: Solve for x
    x = 41,840,669,100.78/167,891.40
  6. Step 6: Final answer
    x = 249,212.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.