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Finding the Fourth Proportional to 72,377.44, 108,571.84 and 22,462.80

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Solution

The fourth proportional to 72,377.44, 108,571.84 and 22,462.80 is: 33,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,377.44 : 108,571.84 = 22,462.80 : x
  2. Step 2: Convert to fraction form
    72,377.44/108,571.84 = 22,462.80/x
  3. Step 3: Cross multiply
    72,377.44x = 108,571.84 × 22,462.80
  4. Step 4: Simplify right side
    72,377.44x = 2,438,827,527.55
  5. Step 5: Solve for x
    x = 2,438,827,527.55/72,377.44
  6. Step 6: Final answer
    x = 33,695.96

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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.