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Finding the Fourth Proportional to 83,672.72, 125,195.36 and 49,814.88

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Solution

The fourth proportional to 83,672.72, 125,195.36 and 49,814.88 is: 74,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,672.72 : 125,195.36 = 49,814.88 : x
  2. Step 2: Convert to fraction form
    83,672.72/125,195.36 = 49,814.88/x
  3. Step 3: Cross multiply
    83,672.72x = 125,195.36 × 49,814.88
  4. Step 4: Simplify right side
    83,672.72x = 6,236,591,834.96
  5. Step 5: Solve for x
    x = 6,236,591,834.96/83,672.72
  6. Step 6: Final answer
    x = 74,535.55

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1.5x scale

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.