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Finding the Fourth Proportional to 111,787.70, 167,645.91 and 36,893.94

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Solution

The fourth proportional to 111,787.70, 167,645.91 and 36,893.94 is: 55,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,787.70 : 167,645.91 = 36,893.94 : x
  2. Step 2: Convert to fraction form
    111,787.70/167,645.91 = 36,893.94/x
  3. Step 3: Cross multiply
    111,787.70x = 167,645.91 × 36,893.94
  4. Step 4: Simplify right side
    111,787.70x = 6,185,118,144.79
  5. Step 5: Solve for x
    x = 6,185,118,144.79/111,787.70
  6. Step 6: Final answer
    x = 55,329.15

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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.