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Finding the Fourth Proportional to 73,188.59, 109,768.30 and 33,739.97

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Solution

The fourth proportional to 73,188.59, 109,768.30 and 33,739.97 is: 50,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,188.59 : 109,768.30 = 33,739.97 : x
  2. Step 2: Convert to fraction form
    73,188.59/109,768.30 = 33,739.97/x
  3. Step 3: Cross multiply
    73,188.59x = 109,768.30 × 33,739.97
  4. Step 4: Simplify right side
    73,188.59x = 3,703,578,515.76
  5. Step 5: Solve for x
    x = 3,703,578,515.76/73,188.59
  6. Step 6: Final answer
    x = 50,603.23

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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.