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Finding the Fourth Proportional to 74,534.87, 111,757.15 and 33,447.93

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Solution

The fourth proportional to 74,534.87, 111,757.15 and 33,447.93 is: 50,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,534.87 : 111,757.15 = 33,447.93 : x
  2. Step 2: Convert to fraction form
    74,534.87/111,757.15 = 33,447.93/x
  3. Step 3: Cross multiply
    74,534.87x = 111,757.15 × 33,447.93
  4. Step 4: Simplify right side
    74,534.87x = 3,738,045,330.20
  5. Step 5: Solve for x
    x = 3,738,045,330.20/74,534.87
  6. Step 6: Final answer
    x = 50,151.63

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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.