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Finding the Fourth Proportional to 75,819.50, 104,597.10 and 43,969.94

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Solution

The fourth proportional to 75,819.50, 104,597.10 and 43,969.94 is: 60,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,819.50 : 104,597.10 = 43,969.94 : x
  2. Step 2: Convert to fraction form
    75,819.50/104,597.10 = 43,969.94/x
  3. Step 3: Cross multiply
    75,819.50x = 104,597.10 × 43,969.94
  4. Step 4: Simplify right side
    75,819.50x = 4,599,128,211.17
  5. Step 5: Solve for x
    x = 4,599,128,211.17/75,819.50
  6. Step 6: Final answer
    x = 60,658.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.