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Finding the Fourth Proportional to 80,280.78, 110,787.48 and 44,473.14

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Solution

The fourth proportional to 80,280.78, 110,787.48 and 44,473.14 is: 61,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.78 : 110,787.48 = 44,473.14 : x
  2. Step 2: Convert to fraction form
    80,280.78/110,787.48 = 44,473.14/x
  3. Step 3: Cross multiply
    80,280.78x = 110,787.48 × 44,473.14
  4. Step 4: Simplify right side
    80,280.78x = 4,927,067,108.29
  5. Step 5: Solve for x
    x = 4,927,067,108.29/80,280.78
  6. Step 6: Final answer
    x = 61,372.94

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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.