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Finding the Fourth Proportional to 181,773.26, 272,481.28 and 86,976.53

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Solution

The fourth proportional to 181,773.26, 272,481.28 and 86,976.53 is: 130,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,773.26 : 272,481.28 = 86,976.53 : x
  2. Step 2: Convert to fraction form
    181,773.26/272,481.28 = 86,976.53/x
  3. Step 3: Cross multiply
    181,773.26x = 272,481.28 × 86,976.53
  4. Step 4: Simplify right side
    181,773.26x = 23,699,476,224.36
  5. Step 5: Solve for x
    x = 23,699,476,224.36/181,773.26
  6. Step 6: Final answer
    x = 130,379.33

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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.