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Finding the Fourth Proportional to 169,636.86, 254,067.71 and 80,952.65

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Solution

The fourth proportional to 169,636.86, 254,067.71 and 80,952.65 is: 121,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,636.86 : 254,067.71 = 80,952.65 : x
  2. Step 2: Convert to fraction form
    169,636.86/254,067.71 = 80,952.65/x
  3. Step 3: Cross multiply
    169,636.86x = 254,067.71 × 80,952.65
  4. Step 4: Simplify right side
    169,636.86x = 20,567,452,830.02
  5. Step 5: Solve for x
    x = 20,567,452,830.02/169,636.86
  6. Step 6: Final answer
    x = 121,244.01

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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.