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Finding the Fourth Proportional to 273,230.20, 409,845.30 and 95,718.70

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Solution

The fourth proportional to 273,230.20, 409,845.30 and 95,718.70 is: 143,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,230.20 : 409,845.30 = 95,718.70 : x
  2. Step 2: Convert to fraction form
    273,230.20/409,845.30 = 95,718.70/x
  3. Step 3: Cross multiply
    273,230.20x = 409,845.30 × 95,718.70
  4. Step 4: Simplify right side
    273,230.20x = 39,229,859,317.11
  5. Step 5: Solve for x
    x = 39,229,859,317.11/273,230.20
  6. Step 6: Final answer
    x = 143,578.05

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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.