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Finding the Fourth Proportional to 73,893.51, 110,839.19 and 50,142.08

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Solution

The fourth proportional to 73,893.51, 110,839.19 and 50,142.08 is: 75,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.51 : 110,839.19 = 50,142.08 : x
  2. Step 2: Convert to fraction form
    73,893.51/110,839.19 = 50,142.08/x
  3. Step 3: Cross multiply
    73,893.51x = 110,839.19 × 50,142.08
  4. Step 4: Simplify right side
    73,893.51x = 5,557,707,934.57
  5. Step 5: Solve for x
    x = 5,557,707,934.57/73,893.51
  6. Step 6: Final answer
    x = 75,212.40

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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.