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Finding the Fourth Proportional to 103,795.28, 155,704.42 and 44,636.96

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Solution

The fourth proportional to 103,795.28, 155,704.42 and 44,636.96 is: 66,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,795.28 : 155,704.42 = 44,636.96 : x
  2. Step 2: Convert to fraction form
    103,795.28/155,704.42 = 44,636.96/x
  3. Step 3: Cross multiply
    103,795.28x = 155,704.42 × 44,636.96
  4. Step 4: Simplify right side
    103,795.28x = 6,950,171,967.36
  5. Step 5: Solve for x
    x = 6,950,171,967.36/103,795.28
  6. Step 6: Final answer
    x = 66,960.39

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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.