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Finding the Fourth Proportional to 177,768.90, 266,799.15 and 171,936.90

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Solution

The fourth proportional to 177,768.90, 266,799.15 and 171,936.90 is: 258,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,768.90 : 266,799.15 = 171,936.90 : x
  2. Step 2: Convert to fraction form
    177,768.90/266,799.15 = 171,936.90/x
  3. Step 3: Cross multiply
    177,768.90x = 266,799.15 × 171,936.90
  4. Step 4: Simplify right side
    177,768.90x = 45,872,618,773.64
  5. Step 5: Solve for x
    x = 45,872,618,773.64/177,768.90
  6. Step 6: Final answer
    x = 258,046.37

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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.