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Finding the Fourth Proportional to 103,506.93, 155,273.15 and 36,954.09

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Solution

The fourth proportional to 103,506.93, 155,273.15 and 36,954.09 is: 55,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,506.93 : 155,273.15 = 36,954.09 : x
  2. Step 2: Convert to fraction form
    103,506.93/155,273.15 = 36,954.09/x
  3. Step 3: Cross multiply
    103,506.93x = 155,273.15 × 36,954.09
  4. Step 4: Simplify right side
    103,506.93x = 5,737,978,052.07
  5. Step 5: Solve for x
    x = 5,737,978,052.07/103,506.93
  6. Step 6: Final answer
    x = 55,435.69

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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.