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Finding the Fourth Proportional to 83,064.70, 124,625.85 and 36,351.10

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Solution

The fourth proportional to 83,064.70, 124,625.85 and 36,351.10 is: 54,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,064.70 : 124,625.85 = 36,351.10 : x
  2. Step 2: Convert to fraction form
    83,064.70/124,625.85 = 36,351.10/x
  3. Step 3: Cross multiply
    83,064.70x = 124,625.85 × 36,351.10
  4. Step 4: Simplify right side
    83,064.70x = 4,530,286,735.94
  5. Step 5: Solve for x
    x = 4,530,286,735.94/83,064.70
  6. Step 6: Final answer
    x = 54,539.25

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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.