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Finding the Fourth Proportional to 83,645.66, 125,441.99 and 27,472.72

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Solution

The fourth proportional to 83,645.66, 125,441.99 and 27,472.72 is: 41,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,645.66 : 125,441.99 = 27,472.72 : x
  2. Step 2: Convert to fraction form
    83,645.66/125,441.99 = 27,472.72/x
  3. Step 3: Cross multiply
    83,645.66x = 125,441.99 × 27,472.72
  4. Step 4: Simplify right side
    83,645.66x = 3,446,232,632.04
  5. Step 5: Solve for x
    x = 3,446,232,632.04/83,645.66
  6. Step 6: Final answer
    x = 41,200.37

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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.