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Finding the Fourth Proportional to 167,129.49, 250,735.68 and 82,929.36

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Solution

The fourth proportional to 167,129.49, 250,735.68 and 82,929.36 is: 124,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,129.49 : 250,735.68 = 82,929.36 : x
  2. Step 2: Convert to fraction form
    167,129.49/250,735.68 = 82,929.36/x
  3. Step 3: Cross multiply
    167,129.49x = 250,735.68 × 82,929.36
  4. Step 4: Simplify right side
    167,129.49x = 20,793,349,471.56
  5. Step 5: Solve for x
    x = 20,793,349,471.56/167,129.49
  6. Step 6: Final answer
    x = 124,414.60

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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.