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Finding the Fourth Proportional to 283,596.49, 425,462.63 and 81,195.41

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Solution

The fourth proportional to 283,596.49, 425,462.63 and 81,195.41 is: 121,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,596.49 : 425,462.63 = 81,195.41 : x
  2. Step 2: Convert to fraction form
    283,596.49/425,462.63 = 81,195.41/x
  3. Step 3: Cross multiply
    283,596.49x = 425,462.63 × 81,195.41
  4. Step 4: Simplify right side
    283,596.49x = 34,545,613,340.21
  5. Step 5: Solve for x
    x = 34,545,613,340.21/283,596.49
  6. Step 6: Final answer
    x = 121,812.56

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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.