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Finding the Fourth Proportional to 70,892.44, 97,837.12 and 39,067.04

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Solution

The fourth proportional to 70,892.44, 97,837.12 and 39,067.04 is: 53,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892.44 : 97,837.12 = 39,067.04 : x
  2. Step 2: Convert to fraction form
    70,892.44/97,837.12 = 39,067.04/x
  3. Step 3: Cross multiply
    70,892.44x = 97,837.12 × 39,067.04
  4. Step 4: Simplify right side
    70,892.44x = 3,822,206,680.52
  5. Step 5: Solve for x
    x = 3,822,206,680.52/70,892.44
  6. Step 6: Final answer
    x = 53,915.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.