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Finding the Fourth Proportional to 174,469.80, 261,723.90 and 63,685.80

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Solution

The fourth proportional to 174,469.80, 261,723.90 and 63,685.80 is: 95,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,469.80 : 261,723.90 = 63,685.80 : x
  2. Step 2: Convert to fraction form
    174,469.80/261,723.90 = 63,685.80/x
  3. Step 3: Cross multiply
    174,469.80x = 261,723.90 × 63,685.80
  4. Step 4: Simplify right side
    174,469.80x = 16,668,095,950.62
  5. Step 5: Solve for x
    x = 16,668,095,950.62/174,469.80
  6. Step 6: Final answer
    x = 95,535.71

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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.