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Finding the Fourth Proportional to 74,063.97, 110,964.74 and 50,575.59

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Solution

The fourth proportional to 74,063.97, 110,964.74 and 50,575.59 is: 75,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063.97 : 110,964.74 = 50,575.59 : x
  2. Step 2: Convert to fraction form
    74,063.97/110,964.74 = 50,575.59/x
  3. Step 3: Cross multiply
    74,063.97x = 110,964.74 × 50,575.59
  4. Step 4: Simplify right side
    74,063.97x = 5,612,106,941.82
  5. Step 5: Solve for x
    x = 5,612,106,941.82/74,063.97
  6. Step 6: Final answer
    x = 75,773.78

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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.