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Finding the Fourth Proportional to 266,850.45, 399,922.11 and 166,773.33

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Solution

The fourth proportional to 266,850.45, 399,922.11 and 166,773.33 is: 249,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,850.45 : 399,922.11 = 166,773.33 : x
  2. Step 2: Convert to fraction form
    266,850.45/399,922.11 = 166,773.33/x
  3. Step 3: Cross multiply
    266,850.45x = 399,922.11 × 166,773.33
  4. Step 4: Simplify right side
    266,850.45x = 66,696,342,025.33
  5. Step 5: Solve for x
    x = 66,696,342,025.33/266,850.45
  6. Step 6: Final answer
    x = 249,939.03

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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.