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Finding the Fourth Proportional to 167,701.80, 251,115.30 and 159,828.60

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Solution

The fourth proportional to 167,701.80, 251,115.30 and 159,828.60 is: 239,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,701.80 : 251,115.30 = 159,828.60 : x
  2. Step 2: Convert to fraction form
    167,701.80/251,115.30 = 159,828.60/x
  3. Step 3: Cross multiply
    167,701.80x = 251,115.30 × 159,828.60
  4. Step 4: Simplify right side
    167,701.80x = 40,135,406,837.58
  5. Step 5: Solve for x
    x = 40,135,406,837.58/167,701.80
  6. Step 6: Final answer
    x = 239,326.03

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Why These Related Problems?

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