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Finding the Fourth Proportional to 165,480.50, 228,104.01 and 108,091.10

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Solution

The fourth proportional to 165,480.50, 228,104.01 and 108,091.10 is: 148,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,480.50 : 228,104.01 = 108,091.10 : x
  2. Step 2: Convert to fraction form
    165,480.50/228,104.01 = 108,091.10/x
  3. Step 3: Cross multiply
    165,480.50x = 228,104.01 × 108,091.10
  4. Step 4: Simplify right side
    165,480.50x = 24,656,012,689.67
  5. Step 5: Solve for x
    x = 24,656,012,689.67/165,480.50
  6. Step 6: Final answer
    x = 148,996.49

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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.