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Finding the Fourth Proportional to 253,948.72, 380,948.60 and 94,067.68

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Solution

The fourth proportional to 253,948.72, 380,948.60 and 94,067.68 is: 141,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,948.72 : 380,948.60 = 94,067.68 : x
  2. Step 2: Convert to fraction form
    253,948.72/380,948.60 = 94,067.68/x
  3. Step 3: Cross multiply
    253,948.72x = 380,948.60 × 94,067.68
  4. Step 4: Simplify right side
    253,948.72x = 35,834,951,001.25
  5. Step 5: Solve for x
    x = 35,834,951,001.25/253,948.72
  6. Step 6: Final answer
    x = 141,110.97

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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.