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Finding the Fourth Proportional to 175,991.76, 264,067.38 and 74,817.27

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Solution

The fourth proportional to 175,991.76, 264,067.38 and 74,817.27 is: 112,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,991.76 : 264,067.38 = 74,817.27 : x
  2. Step 2: Convert to fraction form
    175,991.76/264,067.38 = 74,817.27/x
  3. Step 3: Cross multiply
    175,991.76x = 264,067.38 × 74,817.27
  4. Step 4: Simplify right side
    175,991.76x = 19,756,800,362.44
  5. Step 5: Solve for x
    x = 19,756,800,362.44/175,991.76
  6. Step 6: Final answer
    x = 112,259.80

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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.