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Finding the Fourth Proportional to 73,042.74, 109,542.15 and 37,963.22

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Solution

The fourth proportional to 73,042.74, 109,542.15 and 37,963.22 is: 56,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,042.74 : 109,542.15 = 37,963.22 : x
  2. Step 2: Convert to fraction form
    73,042.74/109,542.15 = 37,963.22/x
  3. Step 3: Cross multiply
    73,042.74x = 109,542.15 × 37,963.22
  4. Step 4: Simplify right side
    73,042.74x = 4,158,572,739.72
  5. Step 5: Solve for x
    x = 4,158,572,739.72/73,042.74
  6. Step 6: Final answer
    x = 56,933.42

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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.