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Finding the Fourth Proportional to 166,001, 249,003.66 and 55,193

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Solution

The fourth proportional to 166,001, 249,003.66 and 55,193 is: 82,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,001 : 249,003.66 = 55,193 : x
  2. Step 2: Convert to fraction form
    166,001/249,003.66 = 55,193/x
  3. Step 3: Cross multiply
    166,001x = 249,003.66 × 55,193
  4. Step 4: Simplify right side
    166,001x = 13,743,259,006.38
  5. Step 5: Solve for x
    x = 13,743,259,006.38/166,001
  6. Step 6: Final answer
    x = 82,790.22

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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.