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Finding the Fourth Proportional to 80,362.45, 110,892.71 and 44,549.42

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Solution

The fourth proportional to 80,362.45, 110,892.71 and 44,549.42 is: 61,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,362.45 : 110,892.71 = 44,549.42 : x
  2. Step 2: Convert to fraction form
    80,362.45/110,892.71 = 44,549.42/x
  3. Step 3: Cross multiply
    80,362.45x = 110,892.71 × 44,549.42
  4. Step 4: Simplify right side
    80,362.45x = 4,940,205,689.98
  5. Step 5: Solve for x
    x = 4,940,205,689.98/80,362.45
  6. Step 6: Final answer
    x = 61,474.06

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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.