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Finding the Fourth Proportional to 79,762.80, 119,604.96 and 46,491.24

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Solution

The fourth proportional to 79,762.80, 119,604.96 and 46,491.24 is: 69,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,762.80 : 119,604.96 = 46,491.24 : x
  2. Step 2: Convert to fraction form
    79,762.80/119,604.96 = 46,491.24/x
  3. Step 3: Cross multiply
    79,762.80x = 119,604.96 × 46,491.24
  4. Step 4: Simplify right side
    79,762.80x = 5,560,582,900.55
  5. Step 5: Solve for x
    x = 5,560,582,900.55/79,762.80
  6. Step 6: Final answer
    x = 69,713.99

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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.