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Finding the Fourth Proportional to 120,752.55, 181,069.92 and 36,496.44

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Solution

The fourth proportional to 120,752.55, 181,069.92 and 36,496.44 is: 54,726.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,752.55 : 181,069.92 = 36,496.44 : x
  2. Step 2: Convert to fraction form
    120,752.55/181,069.92 = 36,496.44/x
  3. Step 3: Cross multiply
    120,752.55x = 181,069.92 × 36,496.44
  4. Step 4: Simplify right side
    120,752.55x = 6,608,407,471.08
  5. Step 5: Solve for x
    x = 6,608,407,471.08/120,752.55
  6. Step 6: Final answer
    x = 54,726.86

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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.