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Finding the Fourth Proportional to 74,579.16, 111,888.18 and 33,016.44

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Solution

The fourth proportional to 74,579.16, 111,888.18 and 33,016.44 is: 49,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,579.16 : 111,888.18 = 33,016.44 : x
  2. Step 2: Convert to fraction form
    74,579.16/111,888.18 = 33,016.44/x
  3. Step 3: Cross multiply
    74,579.16x = 111,888.18 × 33,016.44
  4. Step 4: Simplify right side
    74,579.16x = 3,694,149,381.68
  5. Step 5: Solve for x
    x = 3,694,149,381.68/74,579.16
  6. Step 6: Final answer
    x = 49,533.27

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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.