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Finding the Fourth Proportional to 73,409.74, 110,101.20 and 33,419.26

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Solution

The fourth proportional to 73,409.74, 110,101.20 and 33,419.26 is: 50,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,409.74 : 110,101.20 = 33,419.26 : x
  2. Step 2: Convert to fraction form
    73,409.74/110,101.20 = 33,419.26/x
  3. Step 3: Cross multiply
    73,409.74x = 110,101.20 × 33,419.26
  4. Step 4: Simplify right side
    73,409.74x = 3,679,500,629.11
  5. Step 5: Solve for x
    x = 3,679,500,629.11/73,409.74
  6. Step 6: Final answer
    x = 50,122.79

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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.