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Finding the Fourth Proportional to 83,195.48, 124,662 and 30,532.52

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Solution

The fourth proportional to 83,195.48, 124,662 and 30,532.52 is: 45,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,195.48 : 124,662 = 30,532.52 : x
  2. Step 2: Convert to fraction form
    83,195.48/124,662 = 30,532.52/x
  3. Step 3: Cross multiply
    83,195.48x = 124,662 × 30,532.52
  4. Step 4: Simplify right side
    83,195.48x = 3,806,245,008.24
  5. Step 5: Solve for x
    x = 3,806,245,008.24/83,195.48
  6. Step 6: Final answer
    x = 45,750.62

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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.