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Finding the Fourth Proportional to 69,712.88, 96,201.14 and 37,881.09

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Solution

The fourth proportional to 69,712.88, 96,201.14 and 37,881.09 is: 52,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.88 : 96,201.14 = 37,881.09 : x
  2. Step 2: Convert to fraction form
    69,712.88/96,201.14 = 37,881.09/x
  3. Step 3: Cross multiply
    69,712.88x = 96,201.14 × 37,881.09
  4. Step 4: Simplify right side
    69,712.88x = 3,644,203,853.04
  5. Step 5: Solve for x
    x = 3,644,203,853.04/69,712.88
  6. Step 6: Final answer
    x = 52,274.47

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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.