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Finding the Fourth Proportional to 293,368.52, 439,983.73 and 80,085.73

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Solution

The fourth proportional to 293,368.52, 439,983.73 and 80,085.73 is: 120,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,368.52 : 439,983.73 = 80,085.73 : x
  2. Step 2: Convert to fraction form
    293,368.52/439,983.73 = 80,085.73/x
  3. Step 3: Cross multiply
    293,368.52x = 439,983.73 × 80,085.73
  4. Step 4: Simplify right side
    293,368.52x = 35,236,418,205.17
  5. Step 5: Solve for x
    x = 35,236,418,205.17/293,368.52
  6. Step 6: Final answer
    x = 120,109.75

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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.