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Finding the Fourth Proportional to 71,787.54, 107,562.83 and 41,717.37

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Solution

The fourth proportional to 71,787.54, 107,562.83 and 41,717.37 is: 62,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,787.54 : 107,562.83 = 41,717.37 : x
  2. Step 2: Convert to fraction form
    71,787.54/107,562.83 = 41,717.37/x
  3. Step 3: Cross multiply
    71,787.54x = 107,562.83 × 41,717.37
  4. Step 4: Simplify right side
    71,787.54x = 4,487,238,377.36
  5. Step 5: Solve for x
    x = 4,487,238,377.36/71,787.54
  6. Step 6: Final answer
    x = 62,507.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.