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Finding the Fourth Proportional to 72,366.26, 108,564.98 and 22,445.36

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Solution

The fourth proportional to 72,366.26, 108,564.98 and 22,445.36 is: 33,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366.26 : 108,564.98 = 22,445.36 : x
  2. Step 2: Convert to fraction form
    72,366.26/108,564.98 = 22,445.36/x
  3. Step 3: Cross multiply
    72,366.26x = 108,564.98 × 22,445.36
  4. Step 4: Simplify right side
    72,366.26x = 2,436,780,059.49
  5. Step 5: Solve for x
    x = 2,436,780,059.49/72,366.26
  6. Step 6: Final answer
    x = 33,672.88

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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.