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Finding the Fourth Proportional to 80,119.59, 110,566.92 and 51,874.48

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Solution

The fourth proportional to 80,119.59, 110,566.92 and 51,874.48 is: 71,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,119.59 : 110,566.92 = 51,874.48 : x
  2. Step 2: Convert to fraction form
    80,119.59/110,566.92 = 51,874.48/x
  3. Step 3: Cross multiply
    80,119.59x = 110,566.92 × 51,874.48
  4. Step 4: Simplify right side
    80,119.59x = 5,735,601,480.20
  5. Step 5: Solve for x
    x = 5,735,601,480.20/80,119.59
  6. Step 6: Final answer
    x = 71,588.00

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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.