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Finding the Fourth Proportional to 110,486.80, 165,730.20 and 95,453.20

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Solution

The fourth proportional to 110,486.80, 165,730.20 and 95,453.20 is: 143,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,486.80 : 165,730.20 = 95,453.20 : x
  2. Step 2: Convert to fraction form
    110,486.80/165,730.20 = 95,453.20/x
  3. Step 3: Cross multiply
    110,486.80x = 165,730.20 × 95,453.20
  4. Step 4: Simplify right side
    110,486.80x = 15,819,477,926.64
  5. Step 5: Solve for x
    x = 15,819,477,926.64/110,486.80
  6. Step 6: Final answer
    x = 143,179.80

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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.