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Finding the Fourth Proportional to 100,662.66, 151,010.38 and 33,174.58

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Solution

The fourth proportional to 100,662.66, 151,010.38 and 33,174.58 is: 49,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,662.66 : 151,010.38 = 33,174.58 : x
  2. Step 2: Convert to fraction form
    100,662.66/151,010.38 = 33,174.58/x
  3. Step 3: Cross multiply
    100,662.66x = 151,010.38 × 33,174.58
  4. Step 4: Simplify right side
    100,662.66x = 5,009,705,932.14
  5. Step 5: Solve for x
    x = 5,009,705,932.14/100,662.66
  6. Step 6: Final answer
    x = 49,767.27

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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.