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Finding the Fourth Proportional to 73,294.70, 109,800.57 and 43,736.18

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Solution

The fourth proportional to 73,294.70, 109,800.57 and 43,736.18 is: 65,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,294.70 : 109,800.57 = 43,736.18 : x
  2. Step 2: Convert to fraction form
    73,294.70/109,800.57 = 43,736.18/x
  3. Step 3: Cross multiply
    73,294.70x = 109,800.57 × 43,736.18
  4. Step 4: Simplify right side
    73,294.70x = 4,802,257,493.62
  5. Step 5: Solve for x
    x = 4,802,257,493.62/73,294.70
  6. Step 6: Final answer
    x = 65,519.85

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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.