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Finding the Fourth Proportional to 83,866.99, 125,734.30 and 41,724.07

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Solution

The fourth proportional to 83,866.99, 125,734.30 and 41,724.07 is: 62,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,866.99 : 125,734.30 = 41,724.07 : x
  2. Step 2: Convert to fraction form
    83,866.99/125,734.30 = 41,724.07/x
  3. Step 3: Cross multiply
    83,866.99x = 125,734.30 × 41,724.07
  4. Step 4: Simplify right side
    83,866.99x = 5,246,146,734.60
  5. Step 5: Solve for x
    x = 5,246,146,734.60/83,866.99
  6. Step 6: Final answer
    x = 62,553.18

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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.