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Finding the Fourth Proportional to 266,478.56, 367,705 and 171,114.44

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Solution

The fourth proportional to 266,478.56, 367,705 and 171,114.44 is: 236,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,478.56 : 367,705 = 171,114.44 : x
  2. Step 2: Convert to fraction form
    266,478.56/367,705 = 171,114.44/x
  3. Step 3: Cross multiply
    266,478.56x = 367,705 × 171,114.44
  4. Step 4: Simplify right side
    266,478.56x = 62,919,635,160.20
  5. Step 5: Solve for x
    x = 62,919,635,160.20/266,478.56
  6. Step 6: Final answer
    x = 236,115.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.