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Finding the Fourth Proportional to 80,006.61, 119,939.42 and 32,661.48

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Solution

The fourth proportional to 80,006.61, 119,939.42 and 32,661.48 is: 48,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,006.61 : 119,939.42 = 32,661.48 : x
  2. Step 2: Convert to fraction form
    80,006.61/119,939.42 = 32,661.48/x
  3. Step 3: Cross multiply
    80,006.61x = 119,939.42 × 32,661.48
  4. Step 4: Simplify right side
    80,006.61x = 3,917,398,804.23
  5. Step 5: Solve for x
    x = 3,917,398,804.23/80,006.61
  6. Step 6: Final answer
    x = 48,963.44

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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.