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Finding the Fourth Proportional to 273,031.80, 409,474.80 and 95,520.30

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Solution

The fourth proportional to 273,031.80, 409,474.80 and 95,520.30 is: 143,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,031.80 : 409,474.80 = 95,520.30 : x
  2. Step 2: Convert to fraction form
    273,031.80/409,474.80 = 95,520.30/x
  3. Step 3: Cross multiply
    273,031.80x = 409,474.80 × 95,520.30
  4. Step 4: Simplify right side
    273,031.80x = 39,113,155,738.44
  5. Step 5: Solve for x
    x = 39,113,155,738.44/273,031.80
  6. Step 6: Final answer
    x = 143,254.95

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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.