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Finding the Fourth Proportional to 198,752.74, 274,279.87 and 118,164.52

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Solution

The fourth proportional to 198,752.74, 274,279.87 and 118,164.52 is: 163,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,752.74 : 274,279.87 = 118,164.52 : x
  2. Step 2: Convert to fraction form
    198,752.74/274,279.87 = 118,164.52/x
  3. Step 3: Cross multiply
    198,752.74x = 274,279.87 × 118,164.52
  4. Step 4: Simplify right side
    198,752.74x = 32,410,149,674.77
  5. Step 5: Solve for x
    x = 32,410,149,674.77/198,752.74
  6. Step 6: Final answer
    x = 163,067.69

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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.