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Finding the Fourth Proportional to 80,173.61, 110,651.27 and 46,175.48

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Solution

The fourth proportional to 80,173.61, 110,651.27 and 46,175.48 is: 63,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,173.61 : 110,651.27 = 46,175.48 : x
  2. Step 2: Convert to fraction form
    80,173.61/110,651.27 = 46,175.48/x
  3. Step 3: Cross multiply
    80,173.61x = 110,651.27 × 46,175.48
  4. Step 4: Simplify right side
    80,173.61x = 5,109,375,758.08
  5. Step 5: Solve for x
    x = 5,109,375,758.08/80,173.61
  6. Step 6: Final answer
    x = 63,728.89

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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.