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Finding the Fourth Proportional to 297,052.67, 445,571.64 and 86,692.43

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Solution

The fourth proportional to 297,052.67, 445,571.64 and 86,692.43 is: 130,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,052.67 : 445,571.64 = 86,692.43 : x
  2. Step 2: Convert to fraction form
    297,052.67/445,571.64 = 86,692.43/x
  3. Step 3: Cross multiply
    297,052.67x = 445,571.64 × 86,692.43
  4. Step 4: Simplify right side
    297,052.67x = 38,627,685,982.83
  5. Step 5: Solve for x
    x = 38,627,685,982.83/297,052.67
  6. Step 6: Final answer
    x = 130,036.49

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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.