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Finding the Fourth Proportional to 110,168.20, 165,219.90 and 43,586.20

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Solution

The fourth proportional to 110,168.20, 165,219.90 and 43,586.20 is: 65,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,168.20 : 165,219.90 = 43,586.20 : x
  2. Step 2: Convert to fraction form
    110,168.20/165,219.90 = 43,586.20/x
  3. Step 3: Cross multiply
    110,168.20x = 165,219.90 × 43,586.20
  4. Step 4: Simplify right side
    110,168.20x = 7,201,307,605.38
  5. Step 5: Solve for x
    x = 7,201,307,605.38/110,168.20
  6. Step 6: Final answer
    x = 65,366.48

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1.5x scale

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.