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Finding the Fourth Proportional to 73,247.25, 109,805.72 and 26,489.73

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Solution

The fourth proportional to 73,247.25, 109,805.72 and 26,489.73 is: 39,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,247.25 : 109,805.72 = 26,489.73 : x
  2. Step 2: Convert to fraction form
    73,247.25/109,805.72 = 26,489.73/x
  3. Step 3: Cross multiply
    73,247.25x = 109,805.72 × 26,489.73
  4. Step 4: Simplify right side
    73,247.25x = 2,908,723,742.81
  5. Step 5: Solve for x
    x = 2,908,723,742.81/73,247.25
  6. Step 6: Final answer
    x = 39,711.03

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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.