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Finding the Fourth Proportional to 317,273.50, 475,859.19 and 92,581.18

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Solution

The fourth proportional to 317,273.50, 475,859.19 and 92,581.18 is: 138,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,273.50 : 475,859.19 = 92,581.18 : x
  2. Step 2: Convert to fraction form
    317,273.50/475,859.19 = 92,581.18/x
  3. Step 3: Cross multiply
    317,273.50x = 475,859.19 × 92,581.18
  4. Step 4: Simplify right side
    317,273.50x = 44,055,605,324.04
  5. Step 5: Solve for x
    x = 44,055,605,324.04/317,273.50
  6. Step 6: Final answer
    x = 138,856.87

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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.