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Finding the Fourth Proportional to 79,169.86, 118,765.73 and 26,594.38

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Solution

The fourth proportional to 79,169.86, 118,765.73 and 26,594.38 is: 39,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169.86 : 118,765.73 = 26,594.38 : x
  2. Step 2: Convert to fraction form
    79,169.86/118,765.73 = 26,594.38/x
  3. Step 3: Cross multiply
    79,169.86x = 118,765.73 × 26,594.38
  4. Step 4: Simplify right side
    79,169.86x = 3,158,500,954.60
  5. Step 5: Solve for x
    x = 3,158,500,954.60/79,169.86
  6. Step 6: Final answer
    x = 39,895.24

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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.