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Finding the Fourth Proportional to 75,353.89, 113,050.53 and 43,733.56

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Solution

The fourth proportional to 75,353.89, 113,050.53 and 43,733.56 is: 65,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,353.89 : 113,050.53 = 43,733.56 : x
  2. Step 2: Convert to fraction form
    75,353.89/113,050.53 = 43,733.56/x
  3. Step 3: Cross multiply
    75,353.89x = 113,050.53 × 43,733.56
  4. Step 4: Simplify right side
    75,353.89x = 4,944,102,136.79
  5. Step 5: Solve for x
    x = 4,944,102,136.79/75,353.89
  6. Step 6: Final answer
    x = 65,611.77

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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.