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Finding the Fourth Proportional to 73,524.70, 110,287.05 and 29,128.60

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Solution

The fourth proportional to 73,524.70, 110,287.05 and 29,128.60 is: 43,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,524.70 : 110,287.05 = 29,128.60 : x
  2. Step 2: Convert to fraction form
    73,524.70/110,287.05 = 29,128.60/x
  3. Step 3: Cross multiply
    73,524.70x = 110,287.05 × 29,128.60
  4. Step 4: Simplify right side
    73,524.70x = 3,212,507,364.63
  5. Step 5: Solve for x
    x = 3,212,507,364.63/73,524.70
  6. Step 6: Final answer
    x = 43,692.90

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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.