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Finding the Fourth Proportional to 80,161.92, 110,603.54 and 51,833.52

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Solution

The fourth proportional to 80,161.92, 110,603.54 and 51,833.52 is: 71,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,161.92 : 110,603.54 = 51,833.52 : x
  2. Step 2: Convert to fraction form
    80,161.92/110,603.54 = 51,833.52/x
  3. Step 3: Cross multiply
    80,161.92x = 110,603.54 × 51,833.52
  4. Step 4: Simplify right side
    80,161.92x = 5,732,970,802.66
  5. Step 5: Solve for x
    x = 5,732,970,802.66/80,161.92
  6. Step 6: Final answer
    x = 71,517.38

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1.5x scale

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.