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Finding the Fourth Proportional to 266,654.52, 399,544.38 and 161,503.56

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Solution

The fourth proportional to 266,654.52, 399,544.38 and 161,503.56 is: 241,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,654.52 : 399,544.38 = 161,503.56 : x
  2. Step 2: Convert to fraction form
    266,654.52/399,544.38 = 161,503.56/x
  3. Step 3: Cross multiply
    266,654.52x = 399,544.38 × 161,503.56
  4. Step 4: Simplify right side
    266,654.52x = 64,527,839,747.99
  5. Step 5: Solve for x
    x = 64,527,839,747.99/266,654.52
  6. Step 6: Final answer
    x = 241,990.42

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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.