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Finding the Fourth Proportional to 79,080.38, 118,626.65 and 22,921.25

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Solution

The fourth proportional to 79,080.38, 118,626.65 and 22,921.25 is: 34,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,080.38 : 118,626.65 = 22,921.25 : x
  2. Step 2: Convert to fraction form
    79,080.38/118,626.65 = 22,921.25/x
  3. Step 3: Cross multiply
    79,080.38x = 118,626.65 × 22,921.25
  4. Step 4: Simplify right side
    79,080.38x = 2,719,070,393.57
  5. Step 5: Solve for x
    x = 2,719,070,393.57/79,080.38
  6. Step 6: Final answer
    x = 34,383.63

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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.