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Finding the Fourth Proportional to 83,372.82, 124,969.53 and 36,010.20

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Solution

The fourth proportional to 83,372.82, 124,969.53 and 36,010.20 is: 53,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,372.82 : 124,969.53 = 36,010.20 : x
  2. Step 2: Convert to fraction form
    83,372.82/124,969.53 = 36,010.20/x
  3. Step 3: Cross multiply
    83,372.82x = 124,969.53 × 36,010.20
  4. Step 4: Simplify right side
    83,372.82x = 4,500,177,769.21
  5. Step 5: Solve for x
    x = 4,500,177,769.21/83,372.82
  6. Step 6: Final answer
    x = 53,976.56

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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.