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Finding the Fourth Proportional to 75,510.72, 113,265.96 and 33,909.12

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Solution

The fourth proportional to 75,510.72, 113,265.96 and 33,909.12 is: 50,863.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510.72 : 113,265.96 = 33,909.12 : x
  2. Step 2: Convert to fraction form
    75,510.72/113,265.96 = 33,909.12/x
  3. Step 3: Cross multiply
    75,510.72x = 113,265.96 × 33,909.12
  4. Step 4: Simplify right side
    75,510.72x = 3,840,749,029.56
  5. Step 5: Solve for x
    x = 3,840,749,029.56/75,510.72
  6. Step 6: Final answer
    x = 50,863.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.