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Finding the Fourth Proportional to 80,184.68, 110,656.66 and 51,939.52

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Solution

The fourth proportional to 80,184.68, 110,656.66 and 51,939.52 is: 71,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,184.68 : 110,656.66 = 51,939.52 : x
  2. Step 2: Convert to fraction form
    80,184.68/110,656.66 = 51,939.52/x
  3. Step 3: Cross multiply
    80,184.68x = 110,656.66 × 51,939.52
  4. Step 4: Simplify right side
    80,184.68x = 5,747,453,805.20
  5. Step 5: Solve for x
    x = 5,747,453,805.20/80,184.68
  6. Step 6: Final answer
    x = 71,677.70

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Why These Related Problems?

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