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Finding the Fourth Proportional to 83,777.21, 125,674.98 and 36,359.71

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Solution

The fourth proportional to 83,777.21, 125,674.98 and 36,359.71 is: 54,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,777.21 : 125,674.98 = 36,359.71 : x
  2. Step 2: Convert to fraction form
    83,777.21/125,674.98 = 36,359.71/x
  3. Step 3: Cross multiply
    83,777.21x = 125,674.98 × 36,359.71
  4. Step 4: Simplify right side
    83,777.21x = 4,569,505,645.26
  5. Step 5: Solve for x
    x = 4,569,505,645.26/83,777.21
  6. Step 6: Final answer
    x = 54,543.54

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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.