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Finding the Fourth Proportional to 317,265.25, 475,910.84 and 80,614.03

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Solution

The fourth proportional to 317,265.25, 475,910.84 and 80,614.03 is: 120,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,265.25 : 475,910.84 = 80,614.03 : x
  2. Step 2: Convert to fraction form
    317,265.25/475,910.84 = 80,614.03/x
  3. Step 3: Cross multiply
    317,265.25x = 475,910.84 × 80,614.03
  4. Step 4: Simplify right side
    317,265.25x = 38,365,090,733.09
  5. Step 5: Solve for x
    x = 38,365,090,733.09/317,265.25
  6. Step 6: Final answer
    x = 120,924.34

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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.