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Finding the Fourth Proportional to 165,407.94, 228,265.56 and 93,786.39

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Solution

The fourth proportional to 165,407.94, 228,265.56 and 93,786.39 is: 129,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,407.94 : 228,265.56 = 93,786.39 : x
  2. Step 2: Convert to fraction form
    165,407.94/228,265.56 = 93,786.39/x
  3. Step 3: Cross multiply
    165,407.94x = 228,265.56 × 93,786.39
  4. Step 4: Simplify right side
    165,407.94x = 21,408,202,833.73
  5. Step 5: Solve for x
    x = 21,408,202,833.73/165,407.94
  6. Step 6: Final answer
    x = 129,426.69

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