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Finding the Fourth Proportional to 165,578.34, 228,491.76 and 93,954.09

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Solution

The fourth proportional to 165,578.34, 228,491.76 and 93,954.09 is: 129,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,578.34 : 228,491.76 = 93,954.09 : x
  2. Step 2: Convert to fraction form
    165,578.34/228,491.76 = 93,954.09/x
  3. Step 3: Cross multiply
    165,578.34x = 228,491.76 × 93,954.09
  4. Step 4: Simplify right side
    165,578.34x = 21,467,735,383.30
  5. Step 5: Solve for x
    x = 21,467,735,383.30/165,578.34
  6. Step 6: Final answer
    x = 129,653.04

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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.