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Finding the Fourth Proportional to 317,243.25, 475,877.84 and 80,592.03

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Solution

The fourth proportional to 317,243.25, 475,877.84 and 80,592.03 is: 120,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,243.25 : 475,877.84 = 80,592.03 : x
  2. Step 2: Convert to fraction form
    317,243.25/475,877.84 = 80,592.03/x
  3. Step 3: Cross multiply
    317,243.25x = 475,877.84 × 80,592.03
  4. Step 4: Simplify right side
    317,243.25x = 38,351,960,754.66
  5. Step 5: Solve for x
    x = 38,351,960,754.66/317,243.25
  6. Step 6: Final answer
    x = 120,891.34

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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.