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Finding the Fourth Proportional to 103,504.68, 155,218.86 and 36,927

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Solution

The fourth proportional to 103,504.68, 155,218.86 and 36,927 is: 55,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,504.68 : 155,218.86 = 36,927 : x
  2. Step 2: Convert to fraction form
    103,504.68/155,218.86 = 36,927/x
  3. Step 3: Cross multiply
    103,504.68x = 155,218.86 × 36,927
  4. Step 4: Simplify right side
    103,504.68x = 5,731,766,843.22
  5. Step 5: Solve for x
    x = 5,731,766,843.22/103,504.68
  6. Step 6: Final answer
    x = 55,376.89

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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.