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Finding the Fourth Proportional to 74,517.88, 111,787.94 and 24,603.25

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Solution

The fourth proportional to 74,517.88, 111,787.94 and 24,603.25 is: 36,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,517.88 : 111,787.94 = 24,603.25 : x
  2. Step 2: Convert to fraction form
    74,517.88/111,787.94 = 24,603.25/x
  3. Step 3: Cross multiply
    74,517.88x = 111,787.94 × 24,603.25
  4. Step 4: Simplify right side
    74,517.88x = 2,750,346,511.79
  5. Step 5: Solve for x
    x = 2,750,346,511.79/74,517.88
  6. Step 6: Final answer
    x = 36,908.54

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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.