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Finding the Fourth Proportional to 110,606.76, 165,910 and 27,500.76

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Solution

The fourth proportional to 110,606.76, 165,910 and 27,500.76 is: 41,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,606.76 : 165,910 = 27,500.76 : x
  2. Step 2: Convert to fraction form
    110,606.76/165,910 = 27,500.76/x
  3. Step 3: Cross multiply
    110,606.76x = 165,910 × 27,500.76
  4. Step 4: Simplify right side
    110,606.76x = 4,562,651,091.60
  5. Step 5: Solve for x
    x = 4,562,651,091.60/110,606.76
  6. Step 6: Final answer
    x = 41,251.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.