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Finding the Fourth Proportional to 84,081.99, 125,982.59 and 59,077.29

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Solution

The fourth proportional to 84,081.99, 125,982.59 and 59,077.29 is: 88,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,081.99 : 125,982.59 = 59,077.29 : x
  2. Step 2: Convert to fraction form
    84,081.99/125,982.59 = 59,077.29/x
  3. Step 3: Cross multiply
    84,081.99x = 125,982.59 × 59,077.29
  4. Step 4: Simplify right side
    84,081.99x = 7,442,709,627.92
  5. Step 5: Solve for x
    x = 7,442,709,627.92/84,081.99
  6. Step 6: Final answer
    x = 88,517.29

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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.