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Finding the Fourth Proportional to 166,871.16, 250,317.72 and 67,018.41

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Solution

The fourth proportional to 166,871.16, 250,317.72 and 67,018.41 is: 100,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,871.16 : 250,317.72 = 67,018.41 : x
  2. Step 2: Convert to fraction form
    166,871.16/250,317.72 = 67,018.41/x
  3. Step 3: Cross multiply
    166,871.16x = 250,317.72 × 67,018.41
  4. Step 4: Simplify right side
    166,871.16x = 16,775,895,589.23
  5. Step 5: Solve for x
    x = 16,775,895,589.23/166,871.16
  6. Step 6: Final answer
    x = 100,532.02

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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.