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Finding the Fourth Proportional to 266,879.41, 368,387.39 and 164,983.03

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Solution

The fourth proportional to 266,879.41, 368,387.39 and 164,983.03 is: 227,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,879.41 : 368,387.39 = 164,983.03 : x
  2. Step 2: Convert to fraction form
    266,879.41/368,387.39 = 164,983.03/x
  3. Step 3: Cross multiply
    266,879.41x = 368,387.39 × 164,983.03
  4. Step 4: Simplify right side
    266,879.41x = 60,777,667,307.48
  5. Step 5: Solve for x
    x = 60,777,667,307.48/266,879.41
  6. Step 6: Final answer
    x = 227,734.57

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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.