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Finding the Fourth Proportional to 273,879.04, 410,812.08 and 71,471.92

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Solution

The fourth proportional to 273,879.04, 410,812.08 and 71,471.92 is: 107,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,879.04 : 410,812.08 = 71,471.92 : x
  2. Step 2: Convert to fraction form
    273,879.04/410,812.08 = 71,471.92/x
  3. Step 3: Cross multiply
    273,879.04x = 410,812.08 × 71,471.92
  4. Step 4: Simplify right side
    273,879.04x = 29,361,528,116.79
  5. Step 5: Solve for x
    x = 29,361,528,116.79/273,879.04
  6. Step 6: Final answer
    x = 107,206.19

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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.