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Finding the Fourth Proportional to 188,481.79, 282,769.14 and 93,756.88

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Solution

The fourth proportional to 188,481.79, 282,769.14 and 93,756.88 is: 140,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,481.79 : 282,769.14 = 93,756.88 : x
  2. Step 2: Convert to fraction form
    188,481.79/282,769.14 = 93,756.88/x
  3. Step 3: Cross multiply
    188,481.79x = 282,769.14 × 93,756.88
  4. Step 4: Simplify right side
    188,481.79x = 26,511,552,326.68
  5. Step 5: Solve for x
    x = 26,511,552,326.68/188,481.79
  6. Step 6: Final answer
    x = 140,658.43

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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.