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Finding the Fourth Proportional to 284,069.43, 426,162.47 and 84,372.03

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Solution

The fourth proportional to 284,069.43, 426,162.47 and 84,372.03 is: 126,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,069.43 : 426,162.47 = 84,372.03 : x
  2. Step 2: Convert to fraction form
    284,069.43/426,162.47 = 84,372.03/x
  3. Step 3: Cross multiply
    284,069.43x = 426,162.47 × 84,372.03
  4. Step 4: Simplify right side
    284,069.43x = 35,956,192,281.85
  5. Step 5: Solve for x
    x = 35,956,192,281.85/284,069.43
  6. Step 6: Final answer
    x = 126,575.37

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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.