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Finding the Fourth Proportional to 103,801.66, 155,724.40 and 33,675.54

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Solution

The fourth proportional to 103,801.66, 155,724.40 and 33,675.54 is: 50,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,801.66 : 155,724.40 = 33,675.54 : x
  2. Step 2: Convert to fraction form
    103,801.66/155,724.40 = 33,675.54/x
  3. Step 3: Cross multiply
    103,801.66x = 155,724.40 × 33,675.54
  4. Step 4: Simplify right side
    103,801.66x = 5,244,103,261.18
  5. Step 5: Solve for x
    x = 5,244,103,261.18/103,801.66
  6. Step 6: Final answer
    x = 50,520.42

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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.