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Finding the Fourth Proportional to 59,618.94, 89,233.70 and 43,819.80

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Solution

The fourth proportional to 59,618.94, 89,233.70 and 43,819.80 is: 65,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,618.94 : 89,233.70 = 43,819.80 : x
  2. Step 2: Convert to fraction form
    59,618.94/89,233.70 = 43,819.80/x
  3. Step 3: Cross multiply
    59,618.94x = 89,233.70 × 43,819.80
  4. Step 4: Simplify right side
    59,618.94x = 3,910,202,668.16
  5. Step 5: Solve for x
    x = 3,910,202,668.16/59,618.94
  6. Step 6: Final answer
    x = 65,586.58

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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.