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Finding the Fourth Proportional to 80,613.93, 111,297.04 and 51,943.73

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Solution

The fourth proportional to 80,613.93, 111,297.04 and 51,943.73 is: 71,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,613.93 : 111,297.04 = 51,943.73 : x
  2. Step 2: Convert to fraction form
    80,613.93/111,297.04 = 51,943.73/x
  3. Step 3: Cross multiply
    80,613.93x = 111,297.04 × 51,943.73
  4. Step 4: Simplify right side
    80,613.93x = 5,781,183,335.26
  5. Step 5: Solve for x
    x = 5,781,183,335.26/80,613.93
  6. Step 6: Final answer
    x = 71,714.44

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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.