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Finding the Fourth Proportional to 273,150.45, 409,711.06 and 83,610.91

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Solution

The fourth proportional to 273,150.45, 409,711.06 and 83,610.91 is: 125,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,150.45 : 409,711.06 = 83,610.91 : x
  2. Step 2: Convert to fraction form
    273,150.45/409,711.06 = 83,610.91/x
  3. Step 3: Cross multiply
    273,150.45x = 409,711.06 × 83,610.91
  4. Step 4: Simplify right side
    273,150.45x = 34,256,315,198.68
  5. Step 5: Solve for x
    x = 34,256,315,198.68/273,150.45
  6. Step 6: Final answer
    x = 125,411.89

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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.