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Finding the Fourth Proportional to 165,571.74, 228,494.34 and 93,954.78

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Solution

The fourth proportional to 165,571.74, 228,494.34 and 93,954.78 is: 129,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,571.74 : 228,494.34 = 93,954.78 : x
  2. Step 2: Convert to fraction form
    165,571.74/228,494.34 = 93,954.78/x
  3. Step 3: Cross multiply
    165,571.74x = 228,494.34 × 93,954.78
  4. Step 4: Simplify right side
    165,571.74x = 21,468,135,445.95
  5. Step 5: Solve for x
    x = 21,468,135,445.95/165,571.74
  6. Step 6: Final answer
    x = 129,660.63

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1.5x scale

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.