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Finding the Fourth Proportional to 141,906.93, 212,861.24 and 42,067.97

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Solution

The fourth proportional to 141,906.93, 212,861.24 and 42,067.97 is: 63,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,906.93 : 212,861.24 = 42,067.97 : x
  2. Step 2: Convert to fraction form
    141,906.93/212,861.24 = 42,067.97/x
  3. Step 3: Cross multiply
    141,906.93x = 212,861.24 × 42,067.97
  4. Step 4: Simplify right side
    141,906.93x = 8,954,638,983.84
  5. Step 5: Solve for x
    x = 8,954,638,983.84/141,906.93
  6. Step 6: Final answer
    x = 63,102.20

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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.