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Finding the Fourth Proportional to 188,882.76, 281,942.20 and 166,463.28

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Solution

The fourth proportional to 188,882.76, 281,942.20 and 166,463.28 is: 248,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,882.76 : 281,942.20 = 166,463.28 : x
  2. Step 2: Convert to fraction form
    188,882.76/281,942.20 = 166,463.28/x
  3. Step 3: Cross multiply
    188,882.76x = 281,942.20 × 166,463.28
  4. Step 4: Simplify right side
    188,882.76x = 46,933,023,382.42
  5. Step 5: Solve for x
    x = 46,933,023,382.42/188,882.76
  6. Step 6: Final answer
    x = 248,477.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.