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Finding the Fourth Proportional to 125,860.31, 188,769.82 and 34,654.44

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Solution

The fourth proportional to 125,860.31, 188,769.82 and 34,654.44 is: 51,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,860.31 : 188,769.82 = 34,654.44 : x
  2. Step 2: Convert to fraction form
    125,860.31/188,769.82 = 34,654.44/x
  3. Step 3: Cross multiply
    125,860.31x = 188,769.82 × 34,654.44
  4. Step 4: Simplify right side
    125,860.31x = 6,541,711,283.88
  5. Step 5: Solve for x
    x = 6,541,711,283.88/125,860.31
  6. Step 6: Final answer
    x = 51,975.97

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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.