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Finding the Fourth Proportional to 79,189.32, 118,786.14 and 23,027.16

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Solution

The fourth proportional to 79,189.32, 118,786.14 and 23,027.16 is: 34,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,189.32 : 118,786.14 = 23,027.16 : x
  2. Step 2: Convert to fraction form
    79,189.32/118,786.14 = 23,027.16/x
  3. Step 3: Cross multiply
    79,189.32x = 118,786.14 × 23,027.16
  4. Step 4: Simplify right side
    79,189.32x = 2,735,307,451.56
  5. Step 5: Solve for x
    x = 2,735,307,451.56/79,189.32
  6. Step 6: Final answer
    x = 34,541.37

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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.