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Finding the Fourth Proportional to 273,042.80, 409,491.30 and 95,531.30

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Solution

The fourth proportional to 273,042.80, 409,491.30 and 95,531.30 is: 143,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,042.80 : 409,491.30 = 95,531.30 : x
  2. Step 2: Convert to fraction form
    273,042.80/409,491.30 = 95,531.30/x
  3. Step 3: Cross multiply
    273,042.80x = 409,491.30 × 95,531.30
  4. Step 4: Simplify right side
    273,042.80x = 39,119,236,227.69
  5. Step 5: Solve for x
    x = 39,119,236,227.69/273,042.80
  6. Step 6: Final answer
    x = 143,271.44

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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.