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Finding the Fourth Proportional to 135,754,676.82, 187,361,630.82 and 79,982,266.14

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Solution

The fourth proportional to 135,754,676.82, 187,361,630.82 and 79,982,266.14 is: 110,387,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,754,676.82 : 187,361,630.82 = 79,982,266.14 : x
  2. Step 2: Convert to fraction form
    135,754,676.82/187,361,630.82 = 79,982,266.14/x
  3. Step 3: Cross multiply
    135,754,676.82x = 187,361,630.82 × 79,982,266.14
  4. Step 4: Simplify right side
    135,754,676.82x = 14,985,607,820,669,666
  5. Step 5: Solve for x
    x = 14,985,607,820,669,666/135,754,676.82
  6. Step 6: Final answer
    x = 110,387,414.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.