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Finding the Fourth Proportional to 79,650.89, 119,473.55 and 23,491.87

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Solution

The fourth proportional to 79,650.89, 119,473.55 and 23,491.87 is: 35,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,650.89 : 119,473.55 = 23,491.87 : x
  2. Step 2: Convert to fraction form
    79,650.89/119,473.55 = 23,491.87/x
  3. Step 3: Cross multiply
    79,650.89x = 119,473.55 × 23,491.87
  4. Step 4: Simplify right side
    79,650.89x = 2,806,657,163.77
  5. Step 5: Solve for x
    x = 2,806,657,163.77/79,650.89
  6. Step 6: Final answer
    x = 35,236.98

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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.