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Finding the Fourth Proportional to 72,270.66, 108,340.38 and 32,806.38

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Solution

The fourth proportional to 72,270.66, 108,340.38 and 32,806.38 is: 49,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,270.66 : 108,340.38 = 32,806.38 : x
  2. Step 2: Convert to fraction form
    72,270.66/108,340.38 = 32,806.38/x
  3. Step 3: Cross multiply
    72,270.66x = 108,340.38 × 32,806.38
  4. Step 4: Simplify right side
    72,270.66x = 3,554,255,675.62
  5. Step 5: Solve for x
    x = 3,554,255,675.62/72,270.66
  6. Step 6: Final answer
    x = 49,179.79

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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.