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Finding the Fourth Proportional to 165,219.44, 228,106.68 and 108,726.80

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Solution

The fourth proportional to 165,219.44, 228,106.68 and 108,726.80 is: 150,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,219.44 : 228,106.68 = 108,726.80 : x
  2. Step 2: Convert to fraction form
    165,219.44/228,106.68 = 108,726.80/x
  3. Step 3: Cross multiply
    165,219.44x = 228,106.68 × 108,726.80
  4. Step 4: Simplify right side
    165,219.44x = 24,801,309,375.02
  5. Step 5: Solve for x
    x = 24,801,309,375.02/165,219.44
  6. Step 6: Final answer
    x = 150,111.33

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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.