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Finding the Fourth Proportional to 110,745.10, 166,117.65 and 40,615.30

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Solution

The fourth proportional to 110,745.10, 166,117.65 and 40,615.30 is: 60,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,745.10 : 166,117.65 = 40,615.30 : x
  2. Step 2: Convert to fraction form
    110,745.10/166,117.65 = 40,615.30/x
  3. Step 3: Cross multiply
    110,745.10x = 166,117.65 × 40,615.30
  4. Step 4: Simplify right side
    110,745.10x = 6,746,918,190.05
  5. Step 5: Solve for x
    x = 6,746,918,190.05/110,745.10
  6. Step 6: Final answer
    x = 60,922.95

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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.