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Finding the Fourth Proportional to 72,376,996.60, 108,581,241.30 and 23,846,591.80

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Solution

The fourth proportional to 72,376,996.60, 108,581,241.30 and 23,846,591.80 is: 35,775,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376,996.60 : 108,581,241.30 = 23,846,591.80 : x
  2. Step 2: Convert to fraction form
    72,376,996.60/108,581,241.30 = 23,846,591.80/x
  3. Step 3: Cross multiply
    72,376,996.60x = 108,581,241.30 × 23,846,591.80
  4. Step 4: Simplify right side
    72,376,996.60x = 2,589,292,538,418,401.50
  5. Step 5: Solve for x
    x = 2,589,292,538,418,401.50/72,376,996.60
  6. Step 6: Final answer
    x = 35,775,075.78

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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.