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Finding the Fourth Proportional to 103,241.97, 154,771.20 and 36,673.32

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Solution

The fourth proportional to 103,241.97, 154,771.20 and 36,673.32 is: 54,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,241.97 : 154,771.20 = 36,673.32 : x
  2. Step 2: Convert to fraction form
    103,241.97/154,771.20 = 36,673.32/x
  3. Step 3: Cross multiply
    103,241.97x = 154,771.20 × 36,673.32
  4. Step 4: Simplify right side
    103,241.97x = 5,675,973,744.38
  5. Step 5: Solve for x
    x = 5,675,973,744.38/103,241.97
  6. Step 6: Final answer
    x = 54,977.39

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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.