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Finding the Fourth Proportional to 171,674.20, 257,511.30 and 159,232.60

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Solution

The fourth proportional to 171,674.20, 257,511.30 and 159,232.60 is: 238,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,674.20 : 257,511.30 = 159,232.60 : x
  2. Step 2: Convert to fraction form
    171,674.20/257,511.30 = 159,232.60/x
  3. Step 3: Cross multiply
    171,674.20x = 257,511.30 × 159,232.60
  4. Step 4: Simplify right side
    171,674.20x = 41,004,193,828.38
  5. Step 5: Solve for x
    x = 41,004,193,828.38/171,674.20
  6. Step 6: Final answer
    x = 238,848.90

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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.