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Finding the Fourth Proportional to 71,787.98, 107,669 and 25,054.22

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Solution

The fourth proportional to 71,787.98, 107,669 and 25,054.22 is: 37,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,787.98 : 107,669 = 25,054.22 : x
  2. Step 2: Convert to fraction form
    71,787.98/107,669 = 25,054.22/x
  3. Step 3: Cross multiply
    71,787.98x = 107,669 × 25,054.22
  4. Step 4: Simplify right side
    71,787.98x = 2,697,562,813.18
  5. Step 5: Solve for x
    x = 2,697,562,813.18/71,787.98
  6. Step 6: Final answer
    x = 37,576.80

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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.