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Finding the Fourth Proportional to 79,174.74, 118,768.32 and 23,015.69

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Solution

The fourth proportional to 79,174.74, 118,768.32 and 23,015.69 is: 34,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174.74 : 118,768.32 = 23,015.69 : x
  2. Step 2: Convert to fraction form
    79,174.74/118,768.32 = 23,015.69/x
  3. Step 3: Cross multiply
    79,174.74x = 118,768.32 × 23,015.69
  4. Step 4: Simplify right side
    79,174.74x = 2,733,534,241.10
  5. Step 5: Solve for x
    x = 2,733,534,241.10/79,174.74
  6. Step 6: Final answer
    x = 34,525.33

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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.