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Finding the Fourth Proportional to 273,260.68, 409,970.22 and 113,306.92

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Solution

The fourth proportional to 273,260.68, 409,970.22 and 113,306.92 is: 169,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,260.68 : 409,970.22 = 113,306.92 : x
  2. Step 2: Convert to fraction form
    273,260.68/409,970.22 = 113,306.92/x
  3. Step 3: Cross multiply
    273,260.68x = 409,970.22 × 113,306.92
  4. Step 4: Simplify right side
    273,260.68x = 46,452,462,919.92
  5. Step 5: Solve for x
    x = 46,452,462,919.92/273,260.68
  6. Step 6: Final answer
    x = 169,993.22

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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.