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Finding the Fourth Proportional to 80,120.34, 110,553.79 and 46,122.27

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Solution

The fourth proportional to 80,120.34, 110,553.79 and 46,122.27 is: 63,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120.34 : 110,553.79 = 46,122.27 : x
  2. Step 2: Convert to fraction form
    80,120.34/110,553.79 = 46,122.27/x
  3. Step 3: Cross multiply
    80,120.34x = 110,553.79 × 46,122.27
  4. Step 4: Simplify right side
    80,120.34x = 5,098,991,751.90
  5. Step 5: Solve for x
    x = 5,098,991,751.90/80,120.34
  6. Step 6: Final answer
    x = 63,641.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.