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Finding the Fourth Proportional to 72,241.62, 108,283.32 and 37,183.20

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Solution

The fourth proportional to 72,241.62, 108,283.32 and 37,183.20 is: 55,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,241.62 : 108,283.32 = 37,183.20 : x
  2. Step 2: Convert to fraction form
    72,241.62/108,283.32 = 37,183.20/x
  3. Step 3: Cross multiply
    72,241.62x = 108,283.32 × 37,183.20
  4. Step 4: Simplify right side
    72,241.62x = 4,026,320,344.22
  5. Step 5: Solve for x
    x = 4,026,320,344.22/72,241.62
  6. Step 6: Final answer
    x = 55,734.08

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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.