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Finding the Fourth Proportional to 262,952.05, 394,494.39 and 73,412.25

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Solution

The fourth proportional to 262,952.05, 394,494.39 and 73,412.25 is: 110,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,952.05 : 394,494.39 = 73,412.25 : x
  2. Step 2: Convert to fraction form
    262,952.05/394,494.39 = 73,412.25/x
  3. Step 3: Cross multiply
    262,952.05x = 394,494.39 × 73,412.25
  4. Step 4: Simplify right side
    262,952.05x = 28,960,720,782.28
  5. Step 5: Solve for x
    x = 28,960,720,782.28/262,952.05
  6. Step 6: Final answer
    x = 110,136.89

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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.