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Finding the Fourth Proportional to 83,756.54, 125,658.26 and 33,871.67

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Solution

The fourth proportional to 83,756.54, 125,658.26 and 33,871.67 is: 50,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,756.54 : 125,658.26 = 33,871.67 : x
  2. Step 2: Convert to fraction form
    83,756.54/125,658.26 = 33,871.67/x
  3. Step 3: Cross multiply
    83,756.54x = 125,658.26 × 33,871.67
  4. Step 4: Simplify right side
    83,756.54x = 4,256,254,487.20
  5. Step 5: Solve for x
    x = 4,256,254,487.20/83,756.54
  6. Step 6: Final answer
    x = 50,816.98

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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.