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Finding the Fourth Proportional to 166,662.60, 250,045.10 and 131,616.20

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Solution

The fourth proportional to 166,662.60, 250,045.10 and 131,616.20 is: 197,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,662.60 : 250,045.10 = 131,616.20 : x
  2. Step 2: Convert to fraction form
    166,662.60/250,045.10 = 131,616.20/x
  3. Step 3: Cross multiply
    166,662.60x = 250,045.10 × 131,616.20
  4. Step 4: Simplify right side
    166,662.60x = 32,909,985,890.62
  5. Step 5: Solve for x
    x = 32,909,985,890.62/166,662.60
  6. Step 6: Final answer
    x = 197,464.73

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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.