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Finding the Fourth Proportional to 78,508.82, 117,760.48 and 22,349.25

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Solution

The fourth proportional to 78,508.82, 117,760.48 and 22,349.25 is: 33,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,508.82 : 117,760.48 = 22,349.25 : x
  2. Step 2: Convert to fraction form
    78,508.82/117,760.48 = 22,349.25/x
  3. Step 3: Cross multiply
    78,508.82x = 117,760.48 × 22,349.25
  4. Step 4: Simplify right side
    78,508.82x = 2,631,858,351.77
  5. Step 5: Solve for x
    x = 2,631,858,351.77/78,508.82
  6. Step 6: Final answer
    x = 33,523.09

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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.