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Finding the Fourth Proportional to 166,954.50, 250,443.18 and 67,114.71

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Solution

The fourth proportional to 166,954.50, 250,443.18 and 67,114.71 is: 100,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,954.50 : 250,443.18 = 67,114.71 : x
  2. Step 2: Convert to fraction form
    166,954.50/250,443.18 = 67,114.71/x
  3. Step 3: Cross multiply
    166,954.50x = 250,443.18 × 67,114.71
  4. Step 4: Simplify right side
    166,954.50x = 16,808,421,397.18
  5. Step 5: Solve for x
    x = 16,808,421,397.18/166,954.50
  6. Step 6: Final answer
    x = 100,676.66

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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.