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Finding the Fourth Proportional to 293,124.52, 439,679.49 and 82,759.42

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Solution

The fourth proportional to 293,124.52, 439,679.49 and 82,759.42 is: 124,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,124.52 : 439,679.49 = 82,759.42 : x
  2. Step 2: Convert to fraction form
    293,124.52/439,679.49 = 82,759.42/x
  3. Step 3: Cross multiply
    293,124.52x = 439,679.49 × 82,759.42
  4. Step 4: Simplify right side
    293,124.52x = 36,387,619,578.30
  5. Step 5: Solve for x
    x = 36,387,619,578.30/293,124.52
  6. Step 6: Final answer
    x = 124,137.07

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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.