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Finding the Fourth Proportional to 82,650.81, 123,984.43 and 32,765.34

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Solution

The fourth proportional to 82,650.81, 123,984.43 and 32,765.34 is: 49,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,650.81 : 123,984.43 = 32,765.34 : x
  2. Step 2: Convert to fraction form
    82,650.81/123,984.43 = 32,765.34/x
  3. Step 3: Cross multiply
    82,650.81x = 123,984.43 × 32,765.34
  4. Step 4: Simplify right side
    82,650.81x = 4,062,392,386.68
  5. Step 5: Solve for x
    x = 4,062,392,386.68/82,650.81
  6. Step 6: Final answer
    x = 49,151.27

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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.