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Finding the Fourth Proportional to 103,394.43, 155,006.88 and 36,796.64

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Solution

The fourth proportional to 103,394.43, 155,006.88 and 36,796.64 is: 55,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,394.43 : 155,006.88 = 36,796.64 : x
  2. Step 2: Convert to fraction form
    103,394.43/155,006.88 = 36,796.64/x
  3. Step 3: Cross multiply
    103,394.43x = 155,006.88 × 36,796.64
  4. Step 4: Simplify right side
    103,394.43x = 5,703,731,585.85
  5. Step 5: Solve for x
    x = 5,703,731,585.85/103,394.43
  6. Step 6: Final answer
    x = 55,164.79

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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.