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Finding the Fourth Proportional to 80,497.82, 111,083.56 and 44,690.11

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Solution

The fourth proportional to 80,497.82, 111,083.56 and 44,690.11 is: 61,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,497.82 : 111,083.56 = 44,690.11 : x
  2. Step 2: Convert to fraction form
    80,497.82/111,083.56 = 44,690.11/x
  3. Step 3: Cross multiply
    80,497.82x = 111,083.56 × 44,690.11
  4. Step 4: Simplify right side
    80,497.82x = 4,964,336,126.16
  5. Step 5: Solve for x
    x = 4,964,336,126.16/80,497.82
  6. Step 6: Final answer
    x = 61,670.44

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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.