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Finding the Fourth Proportional to 69,194.67, 103,824.81 and 41,170.11

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Solution

The fourth proportional to 69,194.67, 103,824.81 and 41,170.11 is: 61,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,194.67 : 103,824.81 = 41,170.11 : x
  2. Step 2: Convert to fraction form
    69,194.67/103,824.81 = 41,170.11/x
  3. Step 3: Cross multiply
    69,194.67x = 103,824.81 × 41,170.11
  4. Step 4: Simplify right side
    69,194.67x = 4,274,478,848.43
  5. Step 5: Solve for x
    x = 4,274,478,848.43/69,194.67
  6. Step 6: Final answer
    x = 61,774.68

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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.