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Finding the Fourth Proportional to 83,495.88, 125,240.73 and 36,122.90

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Solution

The fourth proportional to 83,495.88, 125,240.73 and 36,122.90 is: 54,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,495.88 : 125,240.73 = 36,122.90 : x
  2. Step 2: Convert to fraction form
    83,495.88/125,240.73 = 36,122.90/x
  3. Step 3: Cross multiply
    83,495.88x = 125,240.73 × 36,122.90
  4. Step 4: Simplify right side
    83,495.88x = 4,524,057,739.51
  5. Step 5: Solve for x
    x = 4,524,057,739.51/83,495.88
  6. Step 6: Final answer
    x = 54,183.01

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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.